As for Mr Trump, he again betrayed his underlying bias: sympathy for Russia and indifference to Ukraine. Ahead of the Geneva talks he dismissively said Mr Zelensky “can continue to fight his little heart out” if no agreement were reached, and complained on social media that “UKRAINE ‘LEADERSHIP’ HAS EXPRESSED ZERO GRATITUDE FOR OUR EFFORTS.”

The United States and Ukraine said they had created an "updated and refined peace framework" to end the war with Russia that apparently modified an earlier plan drafted by the Trump administration which Kyiv and its allies saw as too sympathetic to Moscow.

Polish Prime Minister Donald Tusk said “it would be good to know for sure who is the author of the plan,” as tensions over elements that mirror long-standing Russian demands.

US Secretary of State Marco Rubio projected optimism on Sunday after what he described as productive discussions between the American and Ukrainian officials in Geneva, Switzerland, aimed at stopping the war in Ukraine.

Trump is "quite pleased" with progress being made, he says, and Rubio adds that he himself is "very optimistic that we're going to get there in a very reasonable period of time very soon", whether it's Thursday, other days, or Monday the following week

The president's latest remarks come as the administration has pushed Kyiv to accept a peace deal by Thanksgiving.

A proposed peace plan for Ukraine led by the United States has been met with anguish by many Ukrainians, who fear a post-war amnesty for Russian forces would erase accountability for alleged atrocities.

Secretary of State Marco Rubio clarified that the Trump administration authored a Ukraine peace deal after lawmakers claimed it was a Russian wish list.

U.S., Ukrainian and European officials gathered in Switzerland on Sunday for talks on the contentious American-Russian peace plan put to Kyiv this week.

Secretary of State Marco Rubio said Sunday that talks between the United States and Ukraine in Switzerland have been the "most productive and meaningful so far," as European leaders questioned the peace plan.

Below is the text of a European counter-proposal to the United States' draft 28-point Ukraine peace plan, seen by Reuters on Sunday.

The president also took aim at former President Joe Biden, arguing that Putin only attacked Ukraine because Biden was president at the time.