PORTLAND, Ore. — Authorities are investigating the fatal shooting of a 39-year-old Portland man.

Clackamas County sheriff’s deputies had responded to a disturbance call at an Estacada home Saturday morning. They found 39-year-old Dominick James Perry suffering from life-threatening injuries.

He was taken to a hospital and later died.

The sheriff’s office says Perry died from a single gunshot wound and that his death has been ruled a homicide. The shooting is considered an isolated incident.

Authorities are searching for a white 1996 Ford F-150 pickup truck with Oregon license plate 902AJZ. They are asking anyone who sees the vehicle to call 911 and not approach it.