European leaders say Trump agreed to sanction Russia unless ceasefire agreed

Ukraine's President Volodymyr Zelenskiy, Britain's Prime Minister Keir Starmer, French President Emmanuel Macron, German Chancellor Friedrich Merz and Poland's Prime Minister Donald Tusk walk before their meting, amid Russia's attack on Ukraine, in Kyiv, Ukraine May 10, 2025. REUTERS/Gleb Garanich

KYIV (Reuters) - Ukraine and European leaders agreed on Saturday to an unconditional 30-day ceasefire from May 12 with the backing of U.S. President Donald Trump, threatening President Vladimir Putin with new "massive" sanctions if he failed to comply.

The announcement was made by the leaders of Britain, France, Germany, Poland and Ukraine after a meeting in Kyiv, during which they held a phone call with Trump.

(Reporting by Andreas Rinke and Elizabeth Piper; Editing by Christian Lowe)