Keith Kellogg says he had "positive discussions" with the Ukrainian leader, after the White House says Trump is "frustrated".

National security adviser Mike Waltz warned Ukrainian President Volodymyr Zelensky on Thursday to “tone it down” when it came to his “unacceptable” criticism of President Trump. Zelensky, 47, has lashed out at Trump,

Reporters in Russia, Ukraine, the US and the UK are answering your key queries as the third anniversary of the full-scale invasion approaches.

After Trump called Zelensky a “dictator” and began talks with Russia, even some of Zelensky’s harshest domestic critics have begun defending him.

Keith Kellogg and President Volodymyr Zelensky were expected to discuss possible paths to ending the war and ways to defuse tensions between Washington and Kyiv.