A uniformed Secret Service officer pulls tape across the road to close Pennsylvania Avenue near the White House, Monday, April 15, 2013 in Washington. (AP Photo/Alex Brandon)
Gallery: Explosions at Boston Marathon
Apr. 15, 2013 @ 06:01 PM
BOSTON — Two bombs exploded near the crowded finish line of the Boston Marathon on Monday, killing two people and injuring more than 50 others in a terrifying scene of broken glass, smoke and severed limbs, authorities said.