Topics » Terrorism   April 16, 2013

The Boston Marathon: From Triumph to Tragedy

Boston on Edge

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Boston on Edge

National Guard soldiers guard a roadblock near the scene of a twin bombing at the Boston Marathon on April 16, 2013 in Boston, Mass.

State and city police close off 12 blocks in the ongoing investigation of the crime scene. They encourage Monday's marathon spectators to submit photos or video taken for potential leads.