U.S. President-elect Donald Trump is “strong and unpredictable,” and those qualities can be a decisive factor in his policy approach to Russia’s invasion of Ukraine, Ukrainian President Volodymyr Zelenskyy says.

Trump, who takes office on 20 January, has said he will end the nearly three-year conflict in “24 hours” once in power, a claim that has drawn scepticism from Kyiv, which fears it will be forced to give up land for peace.