Police are at the scene of a serious crash at Emeroo near Port Augusta.
About 3am today (Friday 25 February), police and emergency services were called to Yorkeys Crossing Road after a car with five men had crashed and rolled.
One of the passengers suffered serious injuries and was taken to a local hospital.
He is expected to be taken by helicopter to the Royal Adelaide Hospital for treatment.
Yorkeys Crossing Road is expected to be closed until 9am today in both directions, so please find an alternate route if you are travelling in the area.