A 24-year-old man was shot early Saturday morning in West Philadelphia.
Investigators said police personnel heard gunshots in the area of 53rd and Arch streets shortly before 1:50 a.m.
They found a black male lying on the ground in a pool of blood.
The victim was taken to the Hospital of the University of Pennsylvania, where he was in critical condition Saturday afternoon.
There is not yet word on a motive, and no arrests have been made.