The minerals deal between the US and Ukraine is “not enough” of a security guarantee on its own, Sir Keir Starmer has said. Plans for Donald Trump and Volodymr Zelensky to sign the minerals deal were put on hold after the Ukrainian leader left the White House early.

United Kingdom Prime Minister Keir Starmer told world leaders on Sunday that they need to step up to a “once in a generation moment” for the security of Europe at a summit in London to discuss ending the Russia-Ukraine war.

Britain and France are collaborating with Ukraine to draft a peace plan to end the conflict with Russia, as European leaders convene for urgent discussions in London. The meeting underscores European unity amid concerns about the US's shifting stance under President Trump,