An 18-year-old male was found lying on LaSalle line east of Petrolia with life threatening injuries early Saturday morning.
Emergency crews responded to the 8500 block of LaSalle Line around 4:30 a.m. to find the teen lying in the road way.
He was taken to hospital with life-threatening injuries, an update on his condition has not been made.
The Lambton OPP Crime Unit, OPP Forensic Identification Unit and OPP Technical Traffic Collision Investigators are all assisting in the investigation.
Lasalle Line between White Pine Road and Hardy Creek Road will be closed for an undetermined period of time while investigators are on scene.
Anyone with information that can assist police is asked to call Lambton OPP at 519-882-1011 or call Crime Stoppers at 1-1800-222-8477.
