An injured firefighter is wheeled from the scene after a building was leveled by an explosion in downtown Springfield, Mass. on Friday, Nov. 23, 2012. (AP Photo/Springfield Republican, Don Treeger) ... more 
An injured firefighter is wheeled from the scene after a building was leveled by an explosion in downtown Springfield, Mass. on Friday, Nov. 23, 2012. (AP Photo/Springfield Republican, Don Treeger) MANDATORY CREDIT less 
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Associated Press | Photo By Springfield Republican, Don Treeger
Fri, Nov 23, 2012 8:20 PM EST