A driver has been airlifted to hospital following a crash in South Yunderup.
Police say two cars collided on South Yunderup Road near Murray River Drive around 7.50am on Wednesday.
One driver, a woman in her 60s, was trapped in her vehicle.
Emergency services helped free her a short time later.
She has since been airlifted to Royal Perth Hospital with serious but not life-threatening injuries.
The other driver was not injured.