Just before 11 p.m., Zone 5 officers responded to the 2400 block of Bracey Drive for a seven-round ShotSpotter alert.
A short time later, a male in his early 20's was located on Coal Street in Wilkinsburg with a gunshot wound to the upper chest and a graze wound to the back of the head.
The victim was transported to the hospital in critical condition.
The Pittsburgh Police Violent Crime Unit responded to investigate. The investigation is ongoing.