(SOUTH DUNDAS TOWNSHIP, ON) - The Stormont, Dundas & Glengarry (SD&G) Detachment of Ontario Provincial Police (OPP) is investigating a fatal collision in South Dundas Township.

On November 21, 2025, shortly before 3:30 pm, officers responded to a two-vehicle collision on County Road 31 in South Dundas Township, involving a car and a tractor trailer.  An 83-year-old female driver from Morrisburg, who was in the car, was transported to hospital with life threatening injuries and was later pronounced deceased. The driver of the second vehicle was uninjured.

The SD&G OPP continues to investigate, with the assistance of OPP Technical Collision Investigators and a Collision Reconstructionist.