Prince William County Police say a 4-year-old boy accidentally shot and killed himself in Woodbridge.

Police say a relative called to say the boy was suffering from a gunshot wound to the head. The child was pronounced dead at a local hospital.

Officers tell The Washington Post that the boy found the gun inside an unoccupied vehicle belonging to a relative. Authorities say the shooting appears to be accidental and self-inflicted.

The boy has not been identified, pending notification of family. The incident is under investigation.