Police responded to the 800 block of Lex Street around 10 p.m. on Tuesday after a report of a person with a gun.
When officers arrived, they found a 20-year-old man with gunshot wounds to his head, back and shoulder.
He was taken to Penn Presbyterian Medical Center, where he was placed in extremely critical condition.
Police say a stray bullet also flew into someone's house across the street but no one there was hurt.
No arrests have been made but police say a weapon was recovered from the scene, as well as two 9mm shells.
The identity of the victim has not been released to the public and the shooting is under investigation.
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