BOSTON POLICE CONFIRM 3RD BOMB BLAST.. 1:43 PM PT – Reuters is reporting a third explosion at the JFK library, which is not near the marathon finish line. Not clear whether it’s related. tmz


BOSTON — Two explosions shattered the euphoria of the Boston Marathon finish line on Monday, sending authorities out on the course to carry off the injured while the stragglers in the 26.2-mile trek from Hopkinton were rerouted away from the smoking site of the blasts.

A federal law-enforcement source confirmed to The Post there are at least 12 dead and nearly 50 injured. Fox News reported that Massachusetts General Hospital was treating 10 people with amputated limbs and all operating rooms were on hold.

Authorities have a identified a suspect, who is currently being guarded in a Boston hospital with shrapnel wounds.

Law-enforcement sources said at least the first explosion occurred in the lobby of the Fairmont Hotel.