Regional police have confirmed three people were taken to hospital after a collision Friday afternoon.
The crash happened in the area of Williams Hastings Line and Manser Road near St. Clements.
Police say three people were transported to hospital, with one suffering life-threatening injuries.
They say it was T-bone collision involved two vehicles.
Ornge air ambulance was called to the scene, but called off due to poor weather conditions.
The road will remain closed for several hours while police conduct their investigation.
No word on what caused the crash or on possible charges.