The Latest Breaking News from SA Police

The 18-year-old son of South Australia's police commissioner has died following an alleged hit-run during schoolies celebrations.

SA Police say they found the man on King William Street and told him to drop the knife, but he refused to comply.

SA Police say the woman's car crashed into a tree at Uleybury on Thursday night, making it the 54th death on South Australia's roads this year. A man is also reported over a crash at Rostrevor in Adelaide's east.

Emmanuel, 15, was last seen leaving school yesterday afternoon wearing an Adelaide High School uniform but was found near his home.

SA Police say the man ran and jumped from the Festival Plaza concourse, fell several metres onto the ground below and was taken to the Royal Adelaide Hospital in a critical condition.

Julie Schutt, who was missing in regional South Australia for a week, had not had any food or water in all the time she was missing, her brother says.

A 48-year-old man will face court charged with drug offences including trafficking after police allegedly uncovered a drug lab and equipment at a home in Adelaide's south.

The brother of Queensland woman Julie Schutt is pleading for anyone with information on her whereabouts to come forward, four days after she went missing at Streaky Bay on South Australia's western Eyre Peninsula.

A Queensland woman who went missing on South Australia's western Eyre Peninsula three days ago had travelled to the area with family for a holiday, and had no known contacts in the region, police have said.

Police and health authorities are investigating how the overseas-trained doctor saw at least 15 patients at the regional South Australian hospital. SA Health said it's not aware of any adverse patient outcomes.

One of two police officers attacked and stabbed in SA's Mid North has been discharged from hospital while the other is showing "positive progress" following surgery for critical injuries last night, the state's police commissioner says.