A man was shot in the back at a Bridgeport housing complex and is in critical condition after police say another man opened fire and shot him. 

The shooting happened at the PT Barnum Housing Complex Sunday after 7:30 p.m.

Police say they were notified of the shooting through ShotSpotter and found the man in the driveway of the housing complex with a gunshot wound to the back.

He was transported to the hospital in critical condition.

Police identified the victim as a 50-year-old homeless man who frequents Bridgeport.

Police released surveillance images of the shooter who they describe as a Black man wearing a white-colored t-shirt and black and white colored pants.

 The suspect took off on an electric scooter after the shooting.

Anyone with information is asked to contact the case officer Detective Migdalia Ayala at 203-581-5259 or the Bridgeport Police Tips Line at 203-576-TIPS.