Explosions strike Boston Marathon

Two bombs exploded near the finish line of the Boston Marathon Monday afternoon, killing two and injuring more than 130.

Emergency personnel assist the victims at the scene of a bomb blast during the Boston Marathon in Boston, Massachusetts, Monday, April 15, 2013. (Stuart Cahill/Boston Herald/MCT)

Victims of the bomb blast during the Boston Marathon are assisted in Boston, Massachusetts, Monday, April 15, 2013. (Stuart Cahill/Boston Herald/MCT)

Emergency personnel assist the victims at the scene of a bomb blast during the Boston Marathon in Boston, Massachusetts, Monday, April 15, 2013. (Stuart Cahill/Boston Herald/MCT)

Police help a runner after multiple explosions rocked the finish line of the Boston Marathon on Monday, April 15, 2013, in Boston, Massachusetts. (Nicolaus Czarnecki/Zuma Press/MCT)

Emergency personnel assist the victims at the scene of a bomb blast during the Boston Marathon in Boston, Massachusetts, Monday, April 15, 2013. (Stuart Cahill/Boston Herald/MCT)

Map of downtown Boston, Mass., locates the area near the Boston Marathon finish line where two explosions erupted about five hours after the race began; map also shows area landmarks; facts about the incident. MCT 2013<p> With BOSTONMARTHON-EXPLOSIONS, by MCT