A severe head-on collision sent four people to hospital on Thursday afternoon in Kawartha Lakes.
Police say the two-vehicle crash happened shortly after 4 p.m. on Highway 35 near Lifford Road.
The drivers of both vehicles had to be extricated by fire crews.
One person was airlifted to a Toronto-area hospital.
The three occupants of the other vehicle were taken to hospital by ambulance.
Investigators are looking into the cause of the collision.
