A man aged in his 20's has died in a three-car crash in the Hunter Valley overnight.
The accident happened on the New England Highway about 5km north of Aberdeen just before midnight.
The man died at the scene.
A second driver suffered a serious leg injury and was flown to John Hunter Hospital along with a female passenger of one of the cars.
The highway is blocked in both directions.
Local diversions are in place for light vehicles.
Trucks are being diverted via the Golden Highway, adding about two hours to the trip.