Australia news live: Sydney airport plans big expansion; social media giants given rules on how child ban must work

Sydney airport to double in size and add 14 new international gates. Follow today’s news live

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Andrew Hastie threatens to quit Coalition frontbench over net zero

Andrew Hastie says he would quit the shadow frontbench if the Liberals remain committed to a net zero by 2050 policy, spelling more trouble for Sussan Ley as the opposition leader looks to steady a rocky ship.