A 16-year-old boy has died following a suspected stabbing at a secondary school in Aberdeen.
The pupil was taken by ambulance to Aberdeen Royal Infirmary after police were called to a serious incident at Cults Academy in the west of the city at about 1.30pm.
He suffered serious injuries and it is understood he died a short time later in hospital.
Police have confirmed that it is being treated as a murder investigation.
A 16-year-old boy has been detained in connection with the incident and is said to be helping police with their inquiries.