Image #: 21994457 Bomb squad officials check a possible suspicious device near the scene of multiple explosions near the end of the Boston Marathon finish line in Boston, Massachucetts on April 15, 2013. Two explosions hit the Boston Marathon as runners crossed the finish line on Monday, killing at least two people and injuring 23 on a day when tens of thousands of people pack the streets to watch one of the world’s best known marathons. REUTERS/Scott Eisen (UNITED STATES – Tags: DISASTER SPORT ATHLETICS) REUTERS /SCOTT EISEN /LANDOV