SUNDERLAND, Ont. - Provincial police are investigating a fatal single-vehicle collision on Highway 12 in Brock Township.
Officers from the Whitby detachment say a vehicle left the road just before 6 p.m. on Friday and rolled, ending up in the ditch.
A 44-year-old male passenger from Orillia was ejected from the vehicle and was pronounced deceased at the scene.
The 18-year-old man who was driving is in hospital with minor injuries.
Investigators say they are trying to determine the cause of the accident.