Two people are in critical condition and a 3rd suffered serious injuries in a single vehicle crash in Caledon.
It happened around 11:40 p.m. on Thursday night at Horseshoe Hill Road north of Olde Baseline Road.
Police said the vehicle was travelling southbound on Horseshoe Hill Road when the male driver lost control and struck a tree.
The two male passengers from the vehicle were rushed to trauma centres with life-threatening injuries. The driver was taken to a local hospital with serious injuries.
Local roads have bene closed off as police investigate the collision.