The leaders of Britain and France are spearheading a desperate diplomatic drive to shore up Europe’s security, bolster Ukraine’s defenses and ensure the Trump administration doesn’t seek a ceasefire on terms that reward Moscow for invading its neighbor.

Vladimir Putin’s top diplomat has indirectly dismissed Keir Starmer’s idea to deploy peacekeeping troops to Ukraine. Russia’s foreign minister Sergei Lavrov attacked European leaders who are still supporting Ukraine three years after Putin launched his brutal invasion.

European leaders were meeting in London on Saturday hoping shore up support for Ukrainian President Volodymyr Zelenskyy after President Donald Trump berated him live on television, calling into question the future American assistance in the war wth Russia.