New leader expected to be chosen imminently, with Mehreen Faruqi, David Shoebridge and Hanson-Young among frontrunners

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High-profile Greens senator Sarah Hanson-Young has confirmed she will run for the party’s leadership, promising to bring the fight to Labor and One Nation after Larissa Waters’ shock resignation.

The party’s longest-serving federal MP, Hanson-Young confirmed on social media she was discussing a tilt at the leadership with colleagues on Tuesday, ahead of a two-day party retreat in Sydney, when the new leader will be chosen.