UPDATE: 4 Teenagers & 1 Adult Dead Following Collision

(MIDDLESEX, ON) – A fifth person has died following a multi-vehicle collision in Middlesex County.

On Friday, May 23, 2025, at approximately 4:30 p.m., members of the Middlesex County and Oxford County detachments of the Ontario Provincial Police (OPP), along with fire and emergency medical services, responded to the intersection of Thorndale Road and Cobble Hills Road after a sport utility vehicle (SUV) collided with a transport truck that then collided with a second SUV.

The occupants in the first SUV, A 33-year-old male, was transported to hospital with serious life-threatening injuries and was later pronounced deceased. Two 17-year-old females and a 16-year-old female were pronounced deceased on scene. The fifth passenger, a 16-year-old female, was airlifted by Ornge to hospital, where she was later pronounced deceased.

The driver and passenger of the second SUV and the driver of the transport truck sustained minor injuries.

Members of the Middlesex County OPP and OPP West Region Traffic Incident Management and Enforcement Team continue to investigate the collision.

Thorndale Road and Cobbles Hills Road were closed for several hours to allow for investigation and have since been reopened.

Investigators are asking members of the public that may have been in the area at the time of the incident to check their dash camera footage in the event they captured the event, or the vehicles involved.

Anyone with information is being asked to contact the Middlesex County OPP at 1-888-310-1122. Should you wish to remain anonymous, you may contact Crime Stoppers at 1-800-222-8477 (TIPS) or ontariocrimestoppers.ca, where you may be eligible to receive a cash reward of up to $2,000.

No further information is going to be released. Updates will be provided when new information becomes available.

Over 150,000 Monthly Readers! 1 Million+ Across the entire FreePress Network.