Three dead after bombs go off at Boston Marathon

By WEEK Producer

April 15, 2013 Updated Apr 16, 2013 at 10:28 AM CDT

BOSTON, Mass. -- With thousands of runners still on the course, two bombs exploded at the finish line of the Boston Marathon on Monday, killing three people, injuring scores more and turning the city’s most celebrated event into a grisly spectacle of shattered glass, blood and screams.

Video from the scene showed people fleeing and an enormous cloud of white smoke after two blasts went off about 20 seconds apart. Emergency personnel carried bloody spectators away.

“We saw two big puffs. I thought maybe it was fireworks. Then it went off again. And then all of a sudden we heard people crying and running away,” said Serghino Rene, who was a few blocks away. “It was a huge horde of people just running away.”

Steve Silva, a photographer for The Boston Globe, described “injuries nothing short of horrific.” Jackie Bruno, a reporter for New England Cable News, said on Twitter that she saw people’s legs blown off.

Federal officials told NBC News that Boston police were guarding a “possible suspect” who had been wounded in the blasts, but they cautioned that there was no information at the federal level to consider that person a suspect.

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