A man is believed to be in a life-threatening condition after colliding into a tree on a north-east road.
The incident happened on the A90 between St. Fergus and Peterhead whereby a Vauxhall Insignia left the road and crashed into a tree around 6.30am.
The road is currently blocked with traffic being diverted via St. Fergus village.
A Police Scotland spokesman said: “We received a call about the crash on the A90 outside Peterhead around 6.30am.
“A male in his 40s has been taken to Aberdeen Royal Infirmary in a life-threatening condition.”
“Police units are still on site and the road is currently blocked.”
A Scottish Ambulance Service spokeswoman said: “We dispatched two ambulances and our Helimed air ambulance to the scene.
“One patient was taken by the air ambulance to Aberdeen Royal Infirmary.”