One dead following 4WD crash

A man has died at the scene of a fatal road crash at William Creek, in central South Australia after his 4WD rolled over.

The car rolled near the turn-off to the Anna Creek homestead around 2.30am.

It is believed the two men in the vehicle were thrown from the vehicle.

Police said the dead man was 20 years old and was from William Creek.

The other man has been flown to hospital and is in a stable condition.

Major Crash investigators flew to the scene and will determine the circumstances surrounding the incident.

His death takes South Australia's road toll to 68, nine more than this time last year.