Look back at Boston Marathon bombing

Published On: Apr 15 2013 03:24:15 PM CDT   Updated On: Apr 30 2014 08:01:49 PM CDT

The trial for Dzhokhar Tsarnaev, the man charged in the Boston Marathon bombings that killed three people and injured more than 200, begins Monday. Take a look back at scenes from the April 15, 2013, incident.

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Another incident occurred at the JFK Library in Boston, a half hour after the blasts at the marathon. Authorities initially said they were investigating whether the library incident was related to the two explosions, but Boston police later said on their Twitter feed the explosion at the library appeared to be related to a fire.

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