A woman has been seriously injured in a crash involving a police car in the Borders.
The collision took place on the A72 at Horsburgh Ford near Peebles at about 19:20 on Saturday.
The marked police vehicle, which was responding to a call, hit a BMW car before coming to rest on its side.
A 36-year-old woman who was passenger in the BMW was taken to Borders General Hospital after the crash. She remains in a serious condition.
The 44-year-old man who was driving the BMW and two children, aged five and one, were taken to hospital as a precaution.
The 25-year-old driver of the police car was treated in hospital for minor injuries.
Police Scotland has said inquiries are under way to establish the full circumstances of the crash.
A spokesman said: “As is standard procedure when there is an incident that involves the serious injury of a person following contact with the police, the incident has been referred to the Police Investigations and Review Commissioner.”