UPDATE: 12 Rescued From Collapsed Philadelphia Building, 1 Dead

One person was killed and more than a dozen injured when a building in Philadelphia collapsed today.

Officials say the building was being demolished at the time of the collapse.

Authorities say a wall collapsed on top of another building that housed a Salvation Army Thrift Store.

One person died and at least 13 people were taken to the hospital.

Emergency personnel are still working to rescue any others that may be trapped.

It happened around 10:45 this morning and the cause is unclear.