Toronto police say they have located a suspect and a vehicle they believe were involved in a hit-and-run that critically injured a man Thursday night.

The victim is in life-threatening condition in hospital, police said Friday.

He was struck by a vehicle at Kingston and Fallingbrook road, east of Victoria Park Avenue, and the driver took off, police said.

Toronto EMS said the victim suffered head injuries and is believed to be in his 30s.

The male suspect, meanwhile, is in police custody.

Charges have not been laid.