Keir Starmer has told Volodymyr Zelensky "there could be no talks about Ukraine, without Ukraine" amid fears that Donald Trump is negotiating with Vladimir Putin behind closed doors.
Downing Street said the Prime Minister reiterated the UK's "concrete" support for Ukraine for "as long as it’s needed" in a call with the Ukrainian President this morning. A spokeswoman said the PM reiterated the UK’s commitment to Ukraine being on an "irreversible" path to Nato membership - after the US appeared to rule it out.
Mr Starmer also spoke to Donald Trump last night, and discussed his "forthcoming visit to the US", No10 said. The PM hosted President Trump’s Special Envoy to the UK, Mark Burnett, in No10 where they talked about deepening US-UK ties. During the visit, Mr Starmer held a quick spontaneous call with Mr Trump.
It comes as G7 ministers gather for the Munich Security Conference today, with the war in Ukraine expected to dominate the agenda. The US President said he had agreed to start negotiations with Russia to end the war after a "lengthy and highly productive" phone call with Putin earlier this week.
US Defence Secretary Pete Hegseth said Ukraine's goal of joining Nato was not "a realistic outcome" before rowing back after a major backlash from Europe and Washington. Britain supports letting Ukraine join the defence alliance.
Describing the call with President Zelensky this morning, a Downing Street spokeswoman said: “The Prime Minister began by reiterating the UK’s concrete support for Ukraine, for as long as it’s needed. He was unequivocal that there could be no talks about Ukraine, without Ukraine. Ukraine needed strong security guarantees, further lethal aid and a sovereign future, and it could count on the UK to step up, he added.
“The Prime Minister reiterated the UK’s commitment to Ukraine being on an irreversible path to NATO, as agreed by Allies at the Washington Summit last year. Discussing the upcoming third anniversary of Ukraine’s courageous defence of its sovereignty in the face of Russia’s barbaric full-scale invasion, the leaders agreed that it would be an important moment to demonstrate international unity and support for Ukraine."
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President Zelensky said he had a good conversation with Mr Starmer, where he thanked him for the UK's support. He said: "I informed Prime Minister Starmer about my discussion with President Trump and contacts with the American side. The Ukrainian and American teams must work together with Europeans and all our global partners to achieve concrete results.
"The security of each nation depends on strengthening our collective security. It is crucial that every new week brings tangible results that will ensure a lasting and reliable peace. We also discussed an action plan for the near future to shape a common strategy on security, economic cooperation, and political partnership."
Foreign Secretary David Lammy held talks with US Vice President JD Vance at the summit in Munich. At the start of the meeting, he said: "We are committed to increasing defence and encourage our friends across Europe to do the same, and of course we have got important issues to discuss on Ukraine and how we support Ukraine at this difficult moment, and also broader issues of UK-US security."
Mr Vance said: "Honestly, we have a lot in common, and the special relationship between the United Kingdom and the United States will remain very strong. We are going to talk about something that he and I spoke about a couple of years ago, which is our shared belief that Europe really should take a big role in its own security, and I'm glad the Foreign Secretary agrees with me on that. I think there are other issues of common agreement, I'm sure we will talk about Russia-Ukraine."