Two individuals are in hospital after their car rolled over on Highway 401.
Emergency crews responded to the collision involving a passenger vehicle crossing the centre median of the 401 near Duart Road in the Municipality of Chatham-Kent at around 7:20 a.m.
The two occupants of the vehicle were transported to hospital. The driver sustained life-threatening injuries, while the passenger has non-life threatening injuries as a result of the collision.
The OPP and West Region Traffic Incident Management and Enforcement (TIME) Team continue to investigate.
If you have any information, or may have observed the vehicle prior to the incident, you are asked to contact the OPP at 1-888-310-1122 or Crime Stoppers at 1-800-222-84777 (TIPS).
