A four-year-old boy was airlifted to hospital following a two-car crash in which a girl, aged two, and a man and woman were also injured.
The two-car collision happened on the C11n Dumfries to Auldgirth road, north of Kirkton village in Dumfries, at around 9.10am on Wednesday.
It involved a black Audi A6 and a black BMW 1 Series.
The four-year-old male passenger of the Audi was taken by air ambulance to Glasgow’s Queen Elizabeth University Hospital, where his condition has been described as serious but stable.
The 35-year-old female driver of the Audi, her two-year-old female passenger, and the 52-year-old male driver of the BMW were all taken to Dumfries and Galloway Royal Infirmary, where medical staff have described their condition as stable.
The road was closed for several hours, but it has since reopened.
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Police Scotland is appealing for anyone with information about the crash to contact officers.
Constable Callum Kingstree said: “An investigation is under way to establish the full circumstances of the collision and I would appeal to any motorists in that area to contact us with any information they may have.
“If anyone has any dashcam footage, please pass it on as it could assist our enquiries.”