A driver had to be airlifted to hospital after an accident on Lasalle Line west of Petrolia.
St Clair Firefighters, paramedics and Lambton OPP were called to Lasalle Line east of Kimball Road for a single vehicle accident.
They say the driver was taken to hospital via AirORNGE with critical injuries.
The OPP West Region Technical Collision Investigators were called to investigate.
