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There are multiple reports on Twitter of an explosion at the Boston Marathon.
We spoke to a Boston Police Department Spokesperson who said there was "some sort of incident at 671 Boylston Street", which is the finish line for the race. They could not give out further information at the time of the call.
Live video from CBS shows ambulances at the scene. Fox News reports that there were two explosions.
Reporters on the scene are reporting dozens of injuries and lost limbs. TV crews are showing images lots of blood on the ground.
Reports coming in that ball bearings found-therefore not an accident but an intentional act to inflict harm.
State Police ordering firefighters to shut off cell phones
ABC is reporting that Mass. General says that two people have died. Unconfirmed.
It's all ball bearings nowadays
apologies. it's a coping mechanism
BREAKING: Small homemade bomb is preliminary cause of explosion at Boston Marathon, law enforcement officials tell NBC News
