Pittsburgh Police responded to multiple Shotspotter alerts for the 1300 block of Federal Street around 11:50 p.m.
Responding Zone 1 officers discovered shell casings, and a victim who was grazed on the neck. The adult male victim was transported to a local hospital in stable condition.
While processing the scene, police learned of a second victim who walked into a local hospital.
After further examination, it was determined the second male was not struck by gunfire.
The investigation is ongoing.