Marathon runner Nathan Finney of Boston and his daughter Mckenna, 5, gather with others ahead of an interfaith service with President Barack Obama at Cathedral of the Holy Cross, held in the wake of ... more 
Marathon runner Nathan Finney of Boston and his daughter Mckenna, 5, gather with others ahead of an interfaith service with President Barack Obama at Cathedral of the Holy Cross, held in the wake of Monday's Boston Marathon explosions, which killed at least three and injured more than 140, Thursday, April 18, 2013, in Boston. (AP Photo/Matt Rourke) less 
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Associated Press | Photo By Matt Rourke
Thu, Apr 18, 2013 10:58 AM EDT