Philadelphia police are investigating the death of an infant found Sunday in a trash bag in the kitchen of a Rhawnhurst residence. The child had been born four days earlier.

A 911 caller Sunday afternoon reported a stillborn baby in the 7800 block of Summerdale Avenue, police said. Upon investigation, police learned the child was delivered on Wednesday. No arrest was made.

The Special Victims Unit was called in to investigate. Police provided no other details.