Two bombs exploded in the crowded streets near the finish line of the Boston Marathon on Monday, killing at least three people and injuring more than 140.
This two image combination photograph shows Rita Jeptoo, of Kenya, left, and Lelisa Desisa, of Ethiopia, right, crossing the finish line to win the women's and men's division of the 2013 running of the Boston Marathon in Boston, Monday, April 15, 2013. (AP Photo/Charles Krupa)