PHILADELPHIA (CBS) -- A body found in a dumpster last week in West Philadelphia was identified as a 12-year-old, police sources told CBS News Philadelphia on Wednesday night. 

The body was found on Aug. 23 at 56th and Arch Streets. 

Last week, police said the body was found on a Philadelphia Housing Authority property. 

The cause of death has not yet been announced.

Police sources tell CBS News Philadelphia they will provide more information about the death on Thursday.