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building collapse

¬PHILADELPHIA, PA - JUNE 5: Rescue workers search for victims and clear debris from a building that collapsed in an apparent accident at a demolition site, at 22nd and Market Streets, June 5, 2013 in Philadelphia, Pennsylvania. The building being demolished landed on top of a Salvation Army Thrift Store, destroying most of it and reportedly trapping and injuring over a dozen people. (Photo by Jessica Kourkounis/Getty Images)

Building collapse in downtown Philadelphia

Rescue efforts are underway at a collapsed Philadelphia building that housed the Salvation Army in Center City. (June 5)