"We have closely cooperated with the U.S. on Ukraine for over two and a half years, and I hope that continues. But I agree with President-elect Trump that Europe should do more on its own," Danish Prime Minister Mette Frederiksen said.

EU foreign policy chief Josep Borrell sought to reassure Ukraine of Europe's unwavering support on Saturday, days after Donald Trump's election win cast uncertainty over its war effort. Borrell, the first top EU official to visit Kyiv since Trump's win,

European Union leaders are trying to work out whether they can keep the Ukrainian war effort going if Donald Trump decides to shut off support from the US.