Police are investigating a stabbing that killed a man in West Philadelphia early this morning.

 

The victim, a man in his 50s whose identity has not yet been released, was stabbed once in the chest on the 5600 block of Arch Street around 3:45 a.m., police said. He was pronounced dead on the scene a little less than an hour later.

 

No arrests have been made and there is no word on a motive.