Two dead, seven others injured in multi-vehicle crash south of Adelaide

Two women have died and several others have been injured in a multi-vehicle crash on the Fleurieu Peninsula on Monday afternoon.

The crash involved a truck and multiple cars just after midday on Main South Road at Wattle Flat, south of Adelaide.

Two women, who were rear passengers in one of the cars, both died of their injuries.

A 44-year-old woman died at the scene and the second woman died later in hospital.

Seven others were injured in the crash, some of them critically.

Police and emergency services were called to reports of a crash involving a truck and multiple cars at about 12:15pm on Monday.

Police say a truck and trailer collided with three vehicles, a black Ford sedan, a silver Ford sedan and a white ute.

The 43-year-old driver of the silver Ford was taken to hospital in a critical condition.

A 14-year-old male passenger was also taken to hospital with minor injuries.

The driver of the ute, a 48-year-old from Hay Flat, was taken to hospital in a serious condition.

The driver of the black Ford, a 38-year-old woman and her two passengers, a 45-year-old man and a 10-year-old girl, were all taken to hospital.

However, police say their injuries are not believed to be life-threatening.

The 35-year-old driver of the truck was taken to hospital with minor injuries.

The Victor Harbor man was arrested and charged with two counts of cause death by dangerous driving, two counts of cause serious harm by dangerous driving and four counts of cause harm by dangerous driving.

Police say investigations are continuing and any witnesses should contact Crime Stoppers.

The deaths are the 74th and 75th lives lost on South Australian roads this year.