A 37-year-old woman has died following a single-vehicle crash in St. Clair Township.
Lambton OPP have identified the deceased as Sandra McKelvie-Brown of Petrolia.
Police were called to the collision on Petrolia Line, west of Waubuno Road on Thursday at 4:45 p.m.
It has since been determined the deceased was a passenger in the involved motor vehicle, not the driver, as previously disclosed.
The driver of the motor vehicle, Grace McDaid, 63, and three additional passengers, a 37-year-old male a one-year-old and a five-year-old, all from Petrolia, attended the hospital to be treated for their injuries.
Police say the status of the injuries sustained to the driver and passengers are unknown and the investigation is continuing.
The OPP is asking for community assistance with this investigation. If anyone observed this collision or has knowledge of this incident; the OPP is requesting that they contact the OPP at 519-882-1011 or Crime Stoppers.