British Prime Minister Keir Starmer’s exhortation comes two days after U.S. backing of Ukraine appeared in jeopardy when President Donald Trump lashed out at Ukrainian President Volodymyr Zelenskyy.

Sir Keir Starmer has said Europe will need to do the “heavy lifting” to ensure peace in Ukraine, but added “we need US backing”.Following a security summit in London aimed at ending Russia’s war with Ukraine,

By Elizabeth Piper, Kate Holton and Andrew MacAskill LONDON (Reuters) -British Prime Minister Keir Starmer urged European leaders on Sunday to step up their defence efforts to not only help secure peace in Ukraine but stability across the continent at a summit staged as a show of support for President Volodymyr Zelenskiy.