Australia news live: Jonathon Duniam to retire from politics; father and daughter found dead in Sydney river

The Tasmanian Liberal senator has announced he will leave parliament before the end of the year. Follow the day’s news live

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The founder of a women-only social media app found by the federal court to have discriminated against a transgender woman is seeking to appeal against the decision in the high court.

Giggle for Girls Pty Ltd, founded by Sall Grover, filed an application on Friday for special leave to appeal against the federal court’s decision in Australia’s highest court.