One of the two suspects in the Boston Marathon bombings has been shot dead, while officers are mounting a massive manhunt to find a man believed to be the other, the police said on Friday.
The announcement came in the early hours of the morning after a dramatic night that began with the shooting dead of a police officer on the Massachusetts Institute of Technology campus.
Hundreds of emergency vehicles were swarming a suburban town on the edge of Boston in the early hours of Friday amid reports of explosions during a confrontation with police.
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