Dan Mitchinson: US correspondent on Liz Cheney potentially starting a third-party run to stop Donald Trump - Heather du Plessis-Allan Drive

Ex-Republican congresswoman and vocal Trump critic Liz Cheney is contemplating a third-party presidential run.

She's said she plans to do 'whatever it takes' to thwart Trump from taking office for another term.

US correspondent Dan Mitchinson says Cheney runs the risk of dividing her party's loyalties ahead of the 2024 election.

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