A woman is in a critical condition in hospital after a car she was a passenger in hit a tree.
The incident happened on the A994 at the roundabout junction with the A985 in Cairneyhill, Fife, at around 1.50pm on Monday.
A 74-year-old man was driving the red Vauxhall Corsa which appeared to lose control before it left the road and crashed into a tree.
Emergency services attended and both occupants of the car were taken to Edinburgh Royal Infirmary.
Hospital staff say the woman is in a critical condition while the man is in a serious condition.
Sergeant Colin Morrison said: “Our investigation to establish the cause of this road crash is continuing.
“I would appeal to anyone who witnessed the crash take place, or anyone who was driving on this road around the time of the crash who has dash-cam footage, to please contact us.”
Anyone with information is asked to contact the Road Policing Unit based at Glenrothes Police Station through 101 quoting reference number 1425 of October 19.