Pittsburgh Police from Zone 1 responded to a succession of Shotspotter alerts for multiple rounds fired in the 1700 block of Brighton Place just after 9:45 p.m.
Responding units immediately located three male gunshot victims. Medics transported one of the victims in critical condition who had been shot in the chest. He was later pronounced deceased at the hospital.
Police transported one of the victims in serious condition with a gunshot wound to the knee, and EMS transported a third victim in stable condition who was shot in the foot.
A fourth victim was grazed in the arm and refused medics. He went to the hospital by private vehicle.
The Mobile Crime Unit arrived to process the scene.
Detectives from the Violent Crime Unit are investigating.