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Map: How the Boston Marathon bombings happened

 

Tuesday 16 April 2013 10:48 EDT
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First explosion

The first blast comes at 2.50pm as runners finish the marathon, on the pavement behind crowds to the left of the athletes’ route just a few hundred feet before of the finish line.

Second explosion

Just 13 seconds after the first blast, a second explosion occurs less than 100m away, on the same side of the road, further back along the route.

Controlled explosion

A third explosive device is found after the finish line, and is destroyed by authorities.

John F Kennedy Public Library

An incident, possibly a fire, is reported at the nearby John F Kennedy Library. It is still unclear whether this is related to the bombings, or whether it was an unrelated fire. An investigation is ongoing.

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