Follow our live blog below for all the latest updates through the night as the votes are counted:
11.03am Fairwell, so long, auf wiedersehen, goodbye...
It's goodnight/goodmorning from us and goodbye to the EU in an unforgettable night of drama.
We've witnessed a truly historic moment in the history of our country.
You have voted to set in motion Britain's departure from the European Union, Prime Minister David Cameron has announced his resignation and the world is coming to terms with the UK's trail-blazing decision.
Scroll down to relive the drama as it unfolded or you can follow our continuing coverage on our EU Referendum page as the shock-waves of yesterday's vote continues to reverberate across the globe.
Adieu.
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10.40am An interesting breakdown of votes in order of Brexit bias from the BBC
Only Northern Ireland, London and Scotland plumped for Remain.
10.33am Word from Boris imminent
We understand that both Boris Johnson and Michael Gove will hold a press conference at 11am.
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10.15am A word from ex-PM Tony Blair.
Former leader said he is "sad" to be leaving the EU.
10.14am Police surround Boris's car as he leaves his home without statement
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9.51am Donald Trump has given Britain's EU departure the thumbs up.
Presidential hopeful made the comments as he arrived at Trump Turnberry for the reopening of a refurbished Open venue golf resort.
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Donald Trump waves as he arrives at Turnberry golf course. He called Brexit 'a great thing'Credit: Reuters
9.34am David Cameron has fallen on his sword but Jeremy Corbyn is remaining defiant and rules out resignation.
9.33am Boris Johnson has emerged from his house - but jumps into a car and leaves without a word.
9.28am Donald Trump speaks
Republican says it is a "great thing" that people of the UK have "taken back their country" as he arrived at his golf resort in Scotland.
9.20am According to the London Economic the sterling has declined so much that France has leapfrogged us in the rich list
9.14am Bank of England governor Mark Carney says "inevitably there will be a period of uncertainty" but "we are well prepared for this"
9.11am James Corden is tweeting from LA - and he's not happy with the result
9.03am You voted - the internet reacted...
Historic Brexit vote send social media into meme frenzy.
Here's a few.
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8.52am The financial markets react
8.48am So much has happened since that stunning Brexit result.
But let's just remind ourselves of the final spread of votes that led to Britain departing the EU.
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How the nation voted, final result.
8.43am EU council president Donald Tusk speaks after historic vote
Read more about how the rest of the world has reacted here.
8.35am Cameron confirmed he has already informed Her Majesty the Queen about his decision to step down.
8.25am More on Cameron's resignation
He told the press "the British people have voted to leave the EU and their will must be respected.
"I want to thank everyone who took part in the campaign on both sides of the argument.
"Let me congratulate all those people who took part in the Leave campaign for the spirited and passionate case they made.
"Across the world people are watching the choice Britain made.
"I want to reassure the Brits living in EU countries and European citizens living here there will be no immediate changes in their circumstances."
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British Prime Minister David Cameron has resignedCredit: Getty Images
8.18am PM David Cameron resigns
PM says a new Prime Minister should be in place by Conservative party conference in October.
He outlined his successes as leader, called Britain a "special" country but added "we need a new captain of this ship".
He told the press on the steps of 10 Downing Street standing next to wife Samantha.
8.13am Nigel Farage tells Good Morning Britain it was a 'mistake' to guarantee £350 million a week for the NHS
8.10am The PM could be about to resign according to sources
8.07am The decision has hit us in the wallets
The FTSE has opened down about 9 per cent.
Almost £180bn lost from value of the UK's top companies.
8.00am Jeremy speaks...
7.58am Cabbie across London celebrate Brexit
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A taxi driver holds a Union flag, as he celebrates following the result of the EU referendum, in central LondonCredit: Reuters
But he will be celebrating if AA predictions of fuel price hikes come true?
One prediction says petrol could jump 20 per cent post-EU.
7.37am Jeremy Corbyn is out and about
7.03am Another look at those final figures...
Leave wins it with 17,410,742 votes, and 52% of public support.
Remain records 16,141,241 votes, and 48%
7.01am Tim Farron is speaking to the BBC.
The Lib Dem leader is not holding back.
He blamed Jeremy Corbyn for an "abject failure" and called the Tory in-fighting "spineless".
6.59am
6.56am Foreign Secretary Philip Hammond says David Cameron has made it clear he "remains the Prime Minister and will carry out the instructions of the British people"
He also says the British people have "spoken clearly" and Government's job is to "get on with that decision".
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Phillip Hammond has spoken after the BrexitCredit: PA:Press Association
6.54am A full statement from Lib Dem leader Tim Farron...
6.50am The result has "significant implications" for Ireland
6.48am A word from the husband of MP Jo Cox
6.46am Tim Farron is "angry"
6.42am SNP's Nicola Sturgeon says Scotland want to stay in Europe.
Scotland's first minister says the UK's Brexit could spark a fresh independence referendum north of the border.
6.40am The Sun's political editor Tom Newton Dunn: "We are in absolutely uncharted waters"
6.32am Defiant Labour MPs back their leader.
Hackney North and Stoke Newington MP Diane Abbott says the result proves Euro-sceptic Jeremy Corbyn is "closer to the centre of gravity of the British public than other politicians."
6.23am Some reaction from around the world...
Former Sweden PM Carl Bildt doesn't agree with Nigel Farage
6.10am A word from Fabian Picardo - Chief Minister of Gibraltar
6.01am It's official...Leave passes winning post
5.59am Who's next?
With UK blazing an independence trail, which country will follow suit?
In the Netherland Geert Wilders has already called for his countrymen to follow Britain's example.
NEXIT, anyone?
5.58am Some reaction on Twitter...
5.55am There's a piper outside Boris Johnson's house
5.52am PM under pressure to make a statement
BBC's Andrew Neil says he expects David Cameron to make a 'holding statement' before 9am.
Cameron's final tweet was still optimistic.
5.35am Turnout was 72 per cent.
It's LEAVE 52% and REMAIN 48 %
That's with 362/382 voting zones declared
5.26am: Dejected faces on the 'I'm In' campaigners after a long night
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5.22am: Voter turnout for EU referendum was 72.2 %
5.22am: Cameron gets a vote of confidence from MPs
5.08am: Here's how things looked at 4.30am
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5.08am: TV pundits declare the OUT camp as winners
4.41am: Its a drab scene in the Remain party bar
4.41am: BBC and ITV call it for BREXIT !
It seems to be all over
4.32am: The pound drops to 31 year low
It's a Brexit bloodbath and sterling plummet to its lowest level against the dollar since 1985.
4.07am: Justine Greening, Tory Remain campaigner hits back over Farage's bombastic comments.
Farage has jumped the gun with what he just said. This has been a very closely fought campaign and it will have a close result. Now, we need to knit our country back together
Justine Greening MP
4.04am: Nigel Farage is making an impassioned speech to supporters.
This is a victory for real people, a victory for decent people. Make June 23 go down in history as our Independence Day
Nigel Farage
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4.02am: BBC's political editor...
3.55am: 'It looks like out'
3.51am: Farage changes his tune
Earlier today Nigel Farage predicted Remain would shave the vote. But he seems to have changed his mind
3.49am: do the votey cokey...
Sky has to issue a correction after wrongly announcing a Remain in in Ipswich.
In fact they voted OUT
3.45am: Essex backs Brexit
Chelmsford, Braintree, Colchester, Basildon, Southen-on-Sea and Tendring all vote OUT.
Tendring, the latest Essex voting block result, particularly emphatic with a 69.5 per cent (57,447) OUT vote.
3.30am: So far...
6.4 million votes counted for LEAVE
6.1 million votes counted for REMAIN
None of the polls had it this close
3.28am: Ed Miliband say Labour has 'lessons to learn' after the EU referendum
3.24am: Sheffield out
Is that the tightest result so far? We will check on that.
136,018 Leave
130,735 Remain
67 per cent turn out
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3.21am:
3.17am:
The results so far are showing this country is split absolutely down the middle on this
Hilary Benn
3.14am: So where are we shortly after 3am?
3.12am: Still with us?
Some notable recent results include Aberdeen where 63,985 people voted in favour of Remain, compared to 40,729 Brexiters.
3.00am: Huge turnout in Richmond upon Thames
An 82 per cent turnout and 75,396 votes for Remain
Elsewhere...
Westminster votes Remain
2.52am Liverpool and Islington vote IN
No surprises there.
Liverpool 58 per cent Remain - but poor turnout there.
Islingtib was 75/25 in favour of Remain.
2.51am John Mann, a Labour Brexiter, has told the BBC he expects LEAVE to win 2/1
Even in London there is huge disparity. Labour voters have decisively voted to leave the EU
John Mann
2.46am Meanwhile in Wandsworth following that emphatic Remain victory...
2.43am: A 'balls up' in West Dunbartonshire?
Local media report some cheeky voter drew a penis in the Remain box... It's not clear if it counted
2.39am: Blackpool vote LEAVE
It's a prolific 67 per cent vote for the OUT campaign
2.38am: We've only had 74/382 counting areas in... get the coffee on
2.35am: Ooof... No love lost between Labour and SNP
2.30am: More results
Relentless...
Barking & Dagenham votes 46,130 LEAVE
27,750 REMAIN
Knowsley votes 36,558 LEAVE
34,345 REMAIN
South Bucks: LEAVE
East Dunbartonshire: REMAIN
North Tyneside: LEAVE
North Ayrshire: REMAIN
2.28am: Mean Girls actress Lindsay Lohan is getting in the spirit...bizarrely
2.26am: Wandsworth result
REMAIN gets it - 75 per cent In
Some big REMAIN wins has changed the landscape...again
2.25am: It's breathless now - Falkirk 56.8% Remain
2.23am: Sterling still plummeting
Down to $1.40 now
2.19am Huge Remain wins in Lambeth and Glasgow
2.18am: Anglesey votes OUT
2.15am: North Warwickshire result - LEAVE gets it
Leave: 67 per cent
Remain: 33 per cent
Cheers in the counting room
2.13am: Vince Cable is laying into David Cameron on the BBC.
"His day has now gone" and he is now leading a "weak and unstable Government"
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2.08am: A swing in the betting markets as LEAVE campaign is now bookies favourite to win. What a turn-around
2.05am: A senior Labour source has told the BBC they expect the LEAVE campaign to win, as results continue to undermine polls
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2.02am: Wales is leaning towards Brexit, BBC has said
1.59am: A raft of results has trickled through.
Wellingborough - LEAVE
Southend-on-Sea - LEAVE
Brentwood - LEAVE
Flintshire - LEAVE
1.56am: City of London votes Remain - shocking no one...
1.53am: Rochford votes LEAVE
79 % turn out...that's high
1.49am: The story so far...
15/382 have declared
Remain: 10
Leave: 5
But LEAVE leads votes.
Remain: 394,282 (48.5%)
Leave: 418,809 (51.5%)
1.46am: Basildon result in...Large leave majority predicted
And that proves to be accurate
Total ballots: 98,062
REMAIN: 30,748
LEAVE: 67,251
1.42am: Hartlepool votes LEAVE
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Leave is in the lead after the first tranche of results
1.37am: Another 'Whoops' moment...as presenter gets mixed up between Farage and Miliband
1.36am: Piers Corbyn, Jeremy's brother, predicts Brexit and says the Labour leader should head up post referendum negotiations
1.33am: Two LEAVE results from Northern Ireland
1.29am UPDATE
LEAVE lead by 15,872 votes so far.
1.27am Glum faces on IN campaigners in Orkney
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Meanwhile Remain campaigners look less happy with the early resultsCredit: Getty Images
1.25am Having an EU referendum party?
Tweet me your pics and let me know which way you're voting: @jcoxwriter
1.24am - Dundee votes IN
1.22am RESULT in South Tyneside - OUT has it
1.21am Slow down Nigel - it's going to be a long night...
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1.16: Two more for you - Two more for REMAIN
Shetlands: 5,315 - 43 per cent OUT
6,907 - 57 per cent IN
West Dunbartonshire: 38 per cent OUT
62 per cent IN
1.14am: More on that Kay Burley error...
1.12: LEAVE lead by 18,778 votes so far
That could be extended further in 20 minutes when Basildon is expected to record a Leave win - projected at around 70 per cent.
Just waiting for official confirmation on that.
1.10am Kay Burley gaffed earlier...confusing David Lammy and Trevor Phillips
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1.08: Another OUT declared - this time Kettering
61 per cent vote OUT
39 per cent vote IN
The pound has fallen off a cliff since the Sunderland result...
1.04: Current tally has LEAVE edging it
LEAVE: 266,721
REMAIN: 259,790
But early days - only 8/382 declared
Is there anyone NOT watching this historic vote?
Whoops...
LOW turn out in Glasgow - a key Remain area.
Just a 56.2 per cent turn out - very surprising.
What could that mean for the Out vote?
Swindon votes Out
54.7 per cent out (61,745)
45.3 per cent in (51,220)
12.51: Isles of Scilly results are in...
It's a small count.
621 Leave / 803 Remain
A word from Ed Miliband...
Former Labour leader is talking to BBC.
Lot's of people feel this is an unequal country, a divided country. I agree with them but don't think they should vote leave in this referendum.
Ed Miliband
Could postal votes be key?
Former Lib Dem leader Paddy Ashdown has told the BBC he predicts a big swing in favour of Brexit when postal votes are counted.
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Hartlepool yet to declare but, according the BBC, could register a 70 per cent LEAVE vote - much stronger than predicted.
A counter in Scotland has been EVICTED for being DRUNK
That Sunderland result is causing chaos in the fiscal market.
12.19: Clackmannanshire votes to REMAIN
Remain 57.8%, Leave 42.2%
12.15: Sunderland votes Leave by landslide
Huge win in Sunderland confounds pollsters.
Remain tallied 51,930, Leave 82,394, with a 65 per cent turnout.
Huge cheer and celebrations in the sports hall following the announcement.
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12pm: Newcastle votes Remain - just
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Newcastle backs Remain in the first major result of the nightCredit: Sky News
The result from Newcastle shows a narrow victory for Remain - with less than two thousand votes in it.
Remain won with 65,504 votes, with Leave on 63,598.
11.55pm: 'Remain has sneaked it'
Tory MP Neil Carmichael said he believed the Remain campaign has sneaked it.
And speaking to The Sun he endorsed the PM's leadership saying: "David Cameron was bold enough to promise a referendum, he delivered a referendum, and by all accounts he has probably won that referendum and I think that is an endorsement of his leadership and it's a great thing we're in this position."
11.45pm: 'We will win this war' - Farage
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Nigel Farage arrives at a Brexit party in Westminster tonightCredit: London News Pictures
Nigel Farage has given a statement at the Leave campaign party in central London, where he has refused to concede defeat, as it seemed he did earlier.
The Ukip boss gave a defiant statement, saying: "The eurosceptic genie is out of the battle and it now will not be put back in."
He added: "Whatever happens in the battle tonight, we are winning this war.
"We will win this war, we will get our country back, we will get our independence back and we will get our borders back."
11.35pm: Gibraltar overwhelmingly backs Remain
Hardly a surprise...
The total results are 19,322 votes to Remain, a whopping 95.9%. Leave gets just 823 votes, 4.1% of the electorate on the Rock.
11.20pm: Some good news for Leave
It looks like Leave is leading in Sunderland, the first place expected to declare.
Shouldn't be too long to wait now for the official result.
11.10pm: Farage attacks the Government
More from our Deputy Political Editor Steve Hawkes on Nigel Farage:
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Nigel Farage is accusing the Government of abusing its power to win the referendum
Nigel Farage has accused the Government of abusing its power to skew the result tonight.
He said it appeared Remain had won because of the extra two million people it had managed to sign up – including half a million during the controversial 48 hour voter registration extension.
The Ukip leader told the Sun: “The whole Government machine was used to sign students up en masse, every time when you even applied for tax disc you were urged to sign. I know the way these things work.
“I fear that has tipped the balance.”
He said: “My view is the sizeable number of registrations that took place in the 48 hour extension has played a part.
“They got a huge number of young people. That’s going to make a difference.
“The whole Government campaign has been about registering young people and that’s made a big, big difference.”
11.10pm: Farage un-concedes
Despite seeming to concede the referendum to the Remain camp as polls closed an hour ago, he is apparently now not willing to accept defeat.
Our Deputy Political Editor Steve Hawkes says the Ukip leader simply fears his side have lost.
He adds that the Government's "huge voter registration drive" has "tipped the balance" in their favour.
11pm: Brex Mad
Our front page leads on the voting chaos amid the flooding across the country.
10.45pm: Boris gives his thanks
The Vote Leave heavyweight tweeted to say: "Thanks to everyone involved and everyone who voted."
David Cameron posted on his : "Thank you everyone who voted to keep Britain stronger, safer and better off in Europe - and to the thousands of Remain campaigners around the UK."
10.45pm: Party time for Leave?
Both sides have arranged for parties to celebrate in the event of a victory for their side.
But as reporter Ryan Hooper has highlighted, the Brexit party seems to be exclusively serving foreign beer.
Nigel Farage, who is due to arrive soon, will surely be annoyed there is no British ale available.
10.40pm: Paddy won't eat his hat
Paddy Ashdown famously said he would eat his hat if the General Election exit poll last year - which predicted his Lib Dem party would be decimated - was correct.
But he said his fedora is safe from consumption this time if the EU referendum exit poll predicting Remain is correct.
10.30pm: The race is on
With a proud record of being first to declare a result in every General Election, eager volunteers are counting the ballots in Sunderland in a rush to be number one.
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Ballot boxes arrive in Sunderland as the count gets underwayCredit: North News and Pictures
We expect them to deliver a result sometime around 11.30pm, one of almost 400 counting centres.
10.15pm: Exit poll puts Remain in a narrow lead
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A snap exit poll puts Remain narrowly in the lead at 52% to Leave's 48%Credit: Sky News
A snap exit poll by YouGov for Sky News reveals the UK is heading for a narrow Remain win with a 52% to 48% lead over Leave.
That's it, the polls have closed. It's now a waiting game for the results.
Stick with us through the night to find out if Britain has voted to Leave or Remain in the EU.
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Nigel Farage seems to already have admitted defeat in the EU referendumCredit: Reuters
But one person who thinks it might be all over is Nigel Farage - who has already seemingly admitted defeat.
The Ukip boss told Sky News "looks like Remain will edge it".
9.40pm Boris Johnson casts his vote
Journalists waiting for Boris Johnson outside his polling station had a long wait but he did manage to get there in time.
His vote comes after he had a long day in Scotland at his daughter's graduation.
As the leading Brexiteer in the Vote Leave campaign there are no prizes for guessing which way he voted.
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Boris Johnson and his wife Marina leave after casting their votes in the EU referendumCredit: PA
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Boris Johnson waved to cameras as he cast his vote tonightCredit: Reuters
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Giving the thumbs up: Boris Johnson looks pleased at how the referendum campaign has goneCredit: London News Pictures Ltd
9.24pm Bookies declare the EU referendum the biggest political event in history
With polls set to close in just over 30 minutes bookmakers say they have seen a flurry of late activity.
Betfair estimates it had taken stakes worth £56million.
8.42pm Boris Johnson is expected to vote in the EU referendum shortly
After spending the day at his daughter's graduation at St Andrew's University, Boris Johnson is now believed to be on his way to his polling station to cast his vote.
8.30pm #usepens hashtag is STILL trending on Twitter
But now instead of just pens, people have started to get a lot more imaginative about ways voters can have their say in the EU referendum and future elections.
8.08pm Less than two hours before polls close
If you haven't voted yet you might want to go to your polling station sooner rather than later to avoid any possible last minute queues.
It's been soggy for many voters throughout the day but turnout has said to have been high, with Betfair suggesting a 72 to 73% turnout.
This is a handy guide if you have never voted before, or just need a reminder.
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The weather hasn't been very summery throughout the day but this isn't thought to have had a negative effect on turnoutCredit: gavin rodgers/pixel
7.15pm Boris Johnson in last EU referendum push
Boris Johnson could not resist one last push for the EU referendum at his daughter’s university graduation today.
While waiting to watch his eldest child Lara Johnson-Wheeler graduate he unfurled a “last chance to vote” poster at the ceremony, at St Andrews in Scotland.
Campaigning on the referendum day is against strict voting regulations but he might get away with it.
This is because, as one witness said, he was not telling people to vote for a particular side.
The witness told : “It was all done very much tongue in cheek. Both posters got a huge cheer and round of applause.
“Boris wasn’t telling people who to vote for, just for them to get out there and make the effort.”
5.42pm Boris Johnson is on his way back to London
Former mayor of London Boris Johnson has spent the day at his daughter Lara's graduation from St Andrews University.
But he is now at Edinburgh Airport doing what he does best - posing for selfies - so should be back in London in time before the polls close at 10pm.
Asked if he was feeling confident ahead of the result as he waited to board a flight to London at Edinburgh Airport, Mr Johnson said: "I think the polls have been very close.
"From what I have heard and all the information is that turnout is good in areas where we need it to be."
Asked if poor weather could affect turnout in key parts of the country, he added: "l don't think that will make any difference in the long run.
"It's a long time to go until the polls close."
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Boris Johnson has time at Edinburgh Airport to pose for selfies after going to his daughter's graduation at St Andrews University
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With the EU referendum result said to be very close Boris Johnson is flying back to London after posing for selfiesCredit: i-Images Picture Agency
4.53pm Can we have their weather?
Brits enjoying themselves in Malaga are pictured reading The Sun in the sun.
There's no such luck in most of Britain though with heavy showers in the south-east and north-west, and showers in western Scotland and Northern Ireland.
The closest people have got to Spain-type weather (also known as summer) today is in the western side of Britain, in cities like Manchester and Cardiff.
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Britons enjoying themselves in Malaga catching up with all the news from back homeCredit: EFE
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Both sides are doing their best to get the voters to come out, despite the British summerCredit: Getty Images
4.16pm Markets betting on the EU referendum result
Financial markets have been jittery ahead of today's vote but they are now recovering as traders are putting their money on Britain to remain in the EU.
The pound hit a new high for 2016 and the FTSE 100 share index rallied strongly.
"Overnight polls still suggest the result could be very close, although a late tilt towards Remain has helped bolster bullish sentiment on the hope the status quo is maintained and an uncertain outlook will not prevail," said Mike van Dulken and Augustin Eden at Accendo Markets.
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Stocks are rallying in the USA today as polls suggest Britain will stay in the European UnionCredit: Getty Images
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Stock markets think Britain will vote to remain in the European UnionCredit: Getty Images
3.59pm French air controllers strike causing voting problems
People stuck in Europe because of the air controllers strike look like they won't be allowed an emergency proxy to vote.
3.32pm Police called over pen row at polling station
Despite that there are reports of queues snaking out of polling stations up and down the country. A sign of high turnout? Who knows
Traders are gambling on Brits voting Remain sending the value of sterling soaring
David Cameron and Jeremy Corbyn have cast their votes. So has Nigel Farage – he’s now down the pub
12.08pm No exit polls
In case you don't know what an exit poll is, it's pretty simple: Ask voters coming out of polling stations how they voted and compare the results to last time's to work out a national swing.
This is normally a pretty good indicator of how the result is going to pan out.
But for the EU referendum there are NO exit polls, meaning you'll have to stay up all night with us.
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Unless you want to stay up all night, there should be a fairly clear picture by 4amCredit: Alamy
Why put us through this torture, you ask?
Because there has never been a referendum on Britain's membership of the EU there is nothing to compare it to.
Load up on coffee folks.
11.45am Farage hits the pub
The Ukip leader has cast his vote and has hit the pub - but only for a coffee. Drinking before midday is a bit strong even for the pint-guzzling Kipper.
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UKIP Leader Nigel Farage hits the pub after casting his vote - but only for a coffeeCredit: EPA
Speaking outside his polling station in Kent, he'd "waited all my adult life" for this moment and he'd have "crawled uphill over broken glass to cast a vote".
"I was 11 the last time we had a referendum on this subject so, yeah, I'm pretty excited," he told reporters outside.
11.22am Voters turned away
We've had our first reports of problems at voting stations. Chessington has had to be closed and moved to the nearby Hook Centre after the hall flooded:
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Chessington polling station had to be closed this morning thanks to floodingCredit: SWNS
Kingston Council also shut a polling station at the Shiraz Mirza community hall in Malden Manor, telling voters to instead head to the Lawrence Avenue Children's Centre.
Dozens of voters have been also been turned away at a polling station in Leighton Buzzard.
Reports suggest the voters were not included on the registration list.
Angry locals hassled MPs outside Linslade polling station for the "total shambles", and Central Beds Council eventually made arrangements for voters who'd missed out.
11.10am Final poll gives Remain lead
The final poll has Remain taking a four-point lead over Leave.
It gives the chance of Brits voting for a Brexit a 1/4 chance.
10.15am High turnout? Who knows
Despite reports from across the country of queues snaking out of polling station doors it's nigh-on impossible to guess the level of interest in the EU referendum.
Despite downpours in London, many voters appear to have braved the wet weather:
But as one politics professor warns:
Edinburgh council has reported 82% of its postal voters returned their ballot paper by Wednesday evening. That compares to the 86% average for postal vote returns at the general election - if that means anything...
10am Traders gamble on Remain
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Currency traders are gambling on Britain voting to Remain in the EU sending the value of sterling soaringCredit: PA:Press Association
The pound hit its highest level of the year late last night as traders bet on Britain voting Remain.
Sterling hit 1.48 US dollars, building on its rise all through the week after opinion poll data showed a narrow lead for the Remain camp. It has since eased to 1.47 US dollars.
However, experts believe that it is bookmakers' odds that currency traders are following.
The pound has now surged by 4% over the past seven days, helping it reclaim all its losses seen since the start of the year. On Monday, sterling notched up its biggest one-day gain against the dollar for nearly eight years.
Currency analysts expect volatility whichever way the vote goes.
9.45am #Dogsatpollingstations
Fed up with all the analysis already? Well don't worry #dogsatpollingstations is back this morning after a strong showing at the general election and local elections,.
We could go on, but we won't...
9.14am Jeremy Corbyn attends polling station
So Jeremy Corbyn's half-hearted campaign comes to an end with a reluctant vote for Remain - or so he's told us.
Asked if he was feeing confident the Labour leader smiled and said: "Extremely, it's a very good day."
On the outcome of the referendum he joked: "You could either check the wind or check the bookies," adding, "the bookies usually get it right".
8.55am David Cameron casts his vote
Prime Minister David Cameron and his wife Samantha have cast their votes this morning at their local polling station Central Methodist Hall near Downing Street - unlikely to be the busiest count of the day
Ignoring questions from reporters about the weather, he issued one last plea on social media to voters to choose a "brighter future":
He'll head back to No10 now to prepare two speeches...
Around 46% of Brexiteers believe today's vote could be rigged, according to a YouGov poll.
One of the dastardly ruses they fear is their pencil votes being rubbed out by those suspicious looking officials at polling stations...
8.10am Sun shines on Nigel Farage
The Ukip leader look happy as Larry this morning despite pulling out of last night's final EU debate for "family reasons".
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Nigel Farage posed outside his home this morning with his copy of The SunCredit: London News Pictures Ltd
It later emerged he was just having dinner with his son who he hadn't seen for nine months.
This morning he posed for the cameras holding up his copy of The Sun.
Like him or loathe him, Nigel Farage is in part responsible for the EU referendum taking place in the first place.
8.05am When will we know the result?
Well with 41,000 polling stations across the country open until 10pm don't expect a quick count.
Some poor counting officers had to set off yesterday to reach the farthest flung corners of the UK.
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Argyll and Bute Counting Officer Charles Reppke on his travelsCredit: Getty Images
Charles Repkke had to board a ferry last night to reach the 122 voters on the Isle of Gigha.
All the votes will be collected and taken to 382 local counting centres who will declare the results as the night goes on.
Sunderland is expected to be first with its result at 12.30am while sleepy Arun and Waveney will finally be finished at 7am.
Strap in for a long night. Read our full guide here.
7.52am Germans agree to let Geoff Hurst's goal stand
German newspaper the Bild pleads with voters to choose Remain, saying they'll finally admit Geoff Hurst's goal did cross the line.
7.35 Polling day washout?
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Could torrential downpours affect voter turnout today?Credit: Reuters
The Met Office issues weather warnings overnight, with flashfloods predicted across London and the south east. The capital is expected to see a month's rainfall in the space of a few hours.
Will the torrential downpours affect voter turnout as polling stations opened across the country this morning at 7am.
Brexiteers will be hoping it does. A lower turnout is expected to favour them with more of their supporters intent on voting.
One polling station in Chessington appeared to flooded this morning:
Weather in the rest of the UK is expected to be fine.
7.15am Final polls
The average of four polls puts Remain on 51.25% and Leave on 48.75%.
Opinium’s final poll put Leave ahead by a slither, by 51% to 49%, when the undecideds are stripped out.
YouGov's poll for The Times showed a swing in the other direction with Remain on 51%, and Leave on 49%.
A poll late last night for the Mail and ITV put Remain slightly further ahead don 48% to Leave's 42% but said 11% of voters were still undecided.
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