Major Crime detectives were called in to investigate the death of an 11-week-old baby living with his teenage mother in a squalid property in a rural SA town, an inquest has heard.

A YEAR  after he was  exiled from Australia after a five-day stay in a detention centre, tennis superstar Novak Djokovic is returning down under – and Adelaide is his first stop.

There is no “systematic way” of deciding which reports about at-risk children should be investigated or closed, the state government has been warned, prompting criticism that vulnerable kids are “relying on a lucky-dip system” to keep them safe.

Australia wants to build at least eight nuclear-powered submarines in Adelaide to help forge peace, prosperity and stability in a region at the epicentre of competition between great powers, says Foreign Affairs Minister Penny Wong.