Look back at Boston Marathon bombing

POSTED: 2:24 PM Apr 15 2013   UPDATED: 2:27 PM Apr 15 2014

One year ago Monday, three people were killed and more than 200 injured in two explosions at the Boston Marathon. Take a look back at scenes from that day.

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One year ago Monday, three people were killed and more than 200 injured in two explosions at the Boston Marathon. Take a look back at scenes from that day.



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