Allegheny County Police are investigating a fatal shooting early Monday morning in Duquesne.

Police responded to a call for shots fired at a home on the 1000 block of Crawford Avenue shortly before 1 a.m. They said they arrived to find a man dead from gunshot wounds.

The Allegheny County Medical Examiner later identified the man as Shawn O’Leary, 32, of Dravosburg.

His death was ruled a homicide and caused by multiple gunshot wounds, according to the medical examiner’s report.

Investigators believe a house party was taking place when the shooting occurred.

Anyone with information is asked to call the county police tip line at 833-255-8477. Callers can remain anonymous.