European leaders will join Ukrainian President Volodymyr Zelensky on a Monday visit to Washington to see President Donald Trump in a collective bid to find a way to end to Moscow's invasion, with the US offering security guarantees for Kyiv.
The meeting follows a summit in Alaska between Trump and Russian President Vladimir Putin that failed to yield any breakthrough on an immediate ceasefire that the US leader had been pushing for.
Trump, who pivoted afterwards to say he was now seeking a peace deal, on Sunday posted "BIG PROGRESS ON RUSSIA. STAY TUNED!" on his Truth Social platform, without elaborating.
Trump's Russia envoy Steve Witkoff said on Sunday that Trump and Putin had agreed in their summit on "robust security guarantees" for Ukraine.
But Zelensky, on a Brussels visit on Sun