Marathon TerrorTWO TERRORIST BOMBS EXPLODED AT THE BOSTON MARATHON KILLING THREE PEOPLE AND IJURING AN ESTIMATED 264 PEOPLE. THE FIRST BOMB EXPLODED LESS THAN 50 FEET FROM THE FINISH LINE ON BOYLSTON STREET IN A CROWD OF SPECTATORS. FIRST RESPONDERS ACT

Boston-4/15/13 An injured man is comforted by a first responder on the sidewalk of Boylston Street at the site of the first Boston Marathon bombing.