Peel Regional Police say a male pedestrian suffered serious injuries in a hit-and-run in Brampton early Sunday.
Officers said they were called to Bramalea Road, south of Bovaird Drive, at 1:15 a.m. for the crash.
The pedestrian was transported to a Toronto trauma centre where he was treated for life-threatening injuries, police said.
The woman who was allegedly driving the vehicle has since been arrested and charged with fail to remain, officers said.
Road closures were in place in the area as officers investigated.