Seven people have been rushed to hospital after a horror two-car pile-up near a busy intersection south of Adelaide.
Emergency services were called to Victor Harbor Rd, near the intersection of Mosquito Hill Rd in Mount Jagged at about 2.45pm on Thursday following reports of a two car crash.
One passenger suffered life-threatening injuries and was airlifted to hospital, where they are now fighting for life.
Six others were also treated at the scene and taken to hospital.
Their conditions and extent of injuries has not yet been confirmed.
Emergency responders remain at the scene as major crash investigators make their way to the site 65km south of Adelaide.
Photos show two badly damaged vehicles and crash debris scattered across the road.
One person is fighting for life after a two car crash at Mount Jagged, 65km south of Adelaide
Motorists are urged to avoid the area with Victor Harbor Rd closed in both directions between Goolwa Rd and Hindmarsh Tiers Rd.
'Drivers are advised to take an alternate route via Pages Flat Rd,' police said.
The crash unfolded hours after woman and child suffered life-threatening injuries in a head-on crash near the state's border.
Police are also at the scene of a serious crash at Strathalbyn after a car had collided with a parked truck.
The driver suffered serious injuries and was taken to hospital.
More to come
Six people were rushed to hospital. Pictured are paramedics at the scene