A fatal crash has Highway 11 northbound closed near Gravenhurst.

The crash occurred this afternoon near the Southwood exit of the highway near Severn Township. A vehicle travelling northbound  left the road and rolled into a ditch.

Two people were airlifted by Ornge Air Ambulance, while a third was transported by ambulance to Bracebridge Memorial Hospital. The fourth person in the vehicle died at the scene.

The OPP collision reconstruction unit remains on scene with Bracebridge OPP. It is unclear when the highway will reopen.