Five injured in gas explosion at South Australian campground

Five people have been injured in a gas explosion at a campground at Myponga in South Australia.

SA Ambulance Service said two patients, including a 25-year-old man and a 25-year-old woman, have been left in a serious but stable condition.

Three people have less severe burns.

Myponga is a community of nearly 750 people about an hour from Adelaide.