Four people, including two young children, were seriously injured in a horror two-car crash that also sent a one-year-old to hospital.
Police Scotland have appealed for witnesses and dashcam footage following the collision on the A90 near Fraserburgh in Aberdeenshire.
A three-year-old girl and a five-year-old boy were seriously injured in the crash and taken to hospital, the force said.
A one-year-old boy was taken to hospital as a precaution.
The 50-year-old male driver of a white Audi A5 and the 27-year-old female driver of a Vauxhall Astra were also seriously hurt in the collision at about 5.50pm on Monday.
The three children were passengers in the Astra, said police, who continue to probe the cause of the crash.
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Both drivers were taken to Aberdeen Royal Infirmary for treatment.
A police spokesperson said: "We are investigating a serious crash, which took place on the A90 Aberdeen to Fraserburgh road, near to Rathen, around 5.50pm yesterday.
"The crash involved a white Audi A5 and a white Vauxhall Astra.
"The 50-year-old male driver of the Audi was taken to Aberdeen Royal Infirmary with serious injuries, as was the 27-year-old female driver of the Vauxhall Astra.
"Three children, who were in the Astra, were also taken to hospital for treatment."
Sergeant Scott Deans, of the road policing unit, said: "Our thoughts are with the families involved in this collision as we continue to establish the exact circumstances.
"We have spoken to several witnesses but would still like to hear from anyone who saw the incident take place, potentially has dashcam footage, or saw either of the vehicles just prior to the crash.
"If you saw a white Audi A5 or a white Vauxhall Astra being driven on the A90 around 5.30pm yesterday, please contact us."
Anyone with information should contact police on 101, quoting incident 2759 of 9 November.
