A 17-year-old who suffered serious injuries during a crash on Saturday morning is understood to still be hospital.
The male, along with three others described as walking wounded, was taken to Aberdeen Royal Infirmary after a two-car crash on the A947 Dyce to Newmachar road at 2.15am.
Part of the road was closed but opened yesterday at around 11,30am.
A spokesman for Police Scotland confirmed that a crash investigation will take place.
Fire crews and Scottish Ambulance were also at the scene.
Anyone with information should contact police on 101 or Crimestoppers on 0800 555 111 if they wish to remain anonymous.