Two people have been declared dead at the scene of a single-vehicle collision that occurred shortly before 4:30 p.m. on the westbound Highway 401 Westbound, between Boundary Road and McConnell Avenue in South Stormont Township.
A third person in the vehicle has been transported to hospital with life-threatening injuries, reports the Stormont-Dundas-Glengarry Ontario Provincial Police detachment.
The crash occurred when the vehicle left the roadway and struck a ditch.
SD&G OPP is seeking the assistance of motorists who were travelling in the area and observed the crash, or who may have dash cam footage from their vehicle. Contact SD&G OPP at 1-888-310-1122.