The A1 in north Northumberland is expected to be closed until about 9.30pm tonight after a serious collision.
The crash involved two vehicles on the A1 northbound near to Ramparts Business Park, Berwick.
The Great North Air Ambulance (GNAAS) were called to the scene and tweeted: “We were called at 3.50pm today to the A1 north of Berwick where a man had sustained critical injuries in a two-vehicle collision.
“The GNAAS doctor anaesthetised the patient on the roadside and also administered blood. He was flown to the RVI in around 20 minutes.”
Northumbria Police say the A1 at Berwick is expected to be closed until around 9.30pm this evening and diversions are in place.