One woman is in critical condition following a crash on Highway 11.

Orillia OPP was called to Severn Township last night near Webers restaurant when a man drove a car the wrong way in the northbound lane of the highway. Police say he collided with another vehicle. The woman driving had to be airlifted to Toronto with life-threatening injuries and her two children were taken to hospital in Orillia with minor injuries. The man driving the other vehicle was taken to hospital with serious injuries.

Police are looking for details from anyone who saw the crash last night.