Norfolk OPP are investigating the cause of a single vehicle collision that has sent one person to hospital.

On Monday evening, police got a call about the collision on Orange Hall Road in Middleton. They arrived to find that a female driver was travelling southbound on Orange Hall Road when she left the roadway, entered a ditch and hit a tree.

The 18 year old female was airlifted to London Hospital with serious, life threatening injuries.

The roadway is currently closed while police investigate.