Look back at Boston Marathon bombing

Published On: Apr 15 2013 03:24:15 PM CDT   Updated On: Jan 05 2015 09:22:52 AM CST

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.

Marathon explosion ambulances
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Ambulances line the street after explosions interrupted the running of the 117th Boston Marathon.

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