Pols: Boston Marathon attacks bear 'hallmarks of terrorism'
Two explosions rocked the end of the Boston Marathon sending competitors and race volunteers running from the site. Authorities out on the course were seen carrying away the injured while stragglers in the race were rerouted. (April 15) (April 15, 2013 4:16 PM)
Moments after explosions
Witnesses describe blasts
Boston bombings: NYPD, MTA heightens security
Boston explosions (Warning: Graphic images)
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Boston Marathon: Reactions
With little official information to guide them, members of Congress said Monday there was scant or no doubt that the deadly Boston Marathon explosions were acts of terrorism and vowed to bring anyone responsible to justice.
"We just don't know whether it's foreign or domestic," said Rep. Michael McCaul, R-Texas, chairman of the House Committee on Homeland Security.
"My understanding...
