Dozens injured after blast sparks massive fire at block of flats in Silver Spring suburb of Washington DC
More than 150 firefighters battling the inferno as pictures of devastation emerge

DOZENS have been injured after a gas explosion ripped through an apartment block in a suburb of Washington DC.
At least 24 residents were injured by the fireball including some of the hundreds of firefighters who raced to the scene in Silver Spring, Maryland.
Dramatic images show the area surrounding the blast covered in debris and dust.
One witness tweeted: "Just heard what sounded like an explosion that shook the house, then numerous police cars and fire trucks screamed by here in #SilverSpring."
Police have not confirmed if anyone died in the explosion.
ABC reporter Kevin Lewis said many on the scene had suffered "severe burns".
Some reported hearing screaming from the building's third floor following the blast.
More than 150 firefighters are battling the fire, which occurred on the border with Washington DC.
Two were injured as they fought to rescue several residents trapped on the building's fourth floor by the flames.
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