A serious single-vehicle crash occurred around 2 a.m. Thursday on Line 7 North in Oro-Medonte, sending three people to the hospital and prompting an extended road closure.

One man in his 20s sustained critical injuries and was airlifted to St. Michael’s Hospital in Toronto. The identities of those involved have not been released, and the cause of the collision remains under investigation. Police closed Line 7 North between Horseshoe Valley Road East and Mill Pond Sideroad while they examined the scene.