Australia news live: shark-spotting drones to patrol NSW beaches year-round; Chalmers grilled on ‘widow’s tax’

Australia will expand aerial shark surveillance with year-round drone patrols in NSW beaches, while Treasurer Chalmers addresses legislation to strengthen penalties for social media ban violations and empower the eSafety commissioner. The government highlights progress in online child safety and inflation control amid Middle East tensions and fluctuating oil prices.