Look back at Boston Marathon bombing

Published On: Apr 15 2013 03:24:15 PM CDT   Updated On: Apr 15 2014 03:27:01 PM CDT

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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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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