Pittsburgh Police responded to S12th Street and Bedford Square around 3 a.m. for a Shot Spotter alert.
When Zone 3 officers arrived, they located a male with a gunshot wound to the lower back. A second gunshot victim suffered a graze wound on her left leg.
Medic 8 transported the male to a local hospital in critical condition. The female was transported to be evaluated.
Witnesses stated a vehicle fired shots at the victims before leaving in an unknown direction.
The investigation is ongoing.