Two women are in critical condition after a two-car crash on the A82 in Stirling.
Police Scotland said the collision, between a Ford Mondeo and an Audi A2, happened near the Falls of Falloch at about 13:40 on Saturday.
Officers said a 35-year-old woman was taken to the Queen Elizabeth University Hospital in Glasgow.
A 60-year-old woman was also taken to the Royal Alexandra Hospital in Paisley following the incident, which happened between Ardlui and Crianlarich.
PC Ian Marshall said: “Our inquiries are continuing to establish the cause of this crash. I would urge any witnesses or anyone with information to contact us.
“I would also ask any drivers on the road with dashcam from around the time of the crash to review their footage and please contact us if it holds anything relevant.”