The driver of a vehicle suffered life-threatening injuries when his pick-up truck flipped and landed against a tree in Ottawa's south end.

Emergency crews responded to the single-vehicle crash on Roger Stevens Drive, between Rideau Valley Drive and River Road, just before 8 a.m. Saturday.

The Ottawa Fire Service says the truck left the road, flipped and landed up against a tree.

Firefighters were able to remove the trapped driver from the vehicle, and transfer him into the care of paramedics. Officials say firefighters had to remove the driver and passenger side door and the roof of the vehicle to extricate the driver from the vehicle.

Paramedics tell CTV News Ottawa an adult male was transported to hospital in critical condition.

Roger Stevens Drive was closed between Rideau Valley Drive and River Road while police investigated. The road reopened just before 4 p.m.