Two teens from Michigan were taken to hospital with serious injuries following a crash just outside of Ailsa Craig in North Middlesex.
Emergency crews were called to Queen Street near West Corner Drive around 2:14 a.m. on Sunday after receiving a report of a single vehicle crash.
Two male teens, a 16-year-old and 15-year-old, were injured in the crash.
They were taken to a local hospital with life-threatening injuries.
Their names have not been released.
Queen Street was closed until noon on Sunday while OPP investigated the cause of the crash.