Another major talking point is on security guarantees. Trump says security guarantees for Ukraine would be "provided" by European countries with "coordination" by the US. British Prime Minister Keir Starmer has told the BBC that the UK negotiators will shortly be arriving in Washington for further planning on this.

President Donald Trump and Ukraine President Volodymyr Zelensky met Monday in the White House. Trump said the United States will give "very good protection."

Donald Trump has stepped up pressure on Zelensky ahead of Aug. 18 peace talks in Washington with European leaders, saying on Truth Social that the Ukrainian president could end the war "almost immediately.

The leaders of the UK, France and Germany will accompany Ukraine's president for crunch talks on ending Russia's war against Ukraine.

Congressman Don Davis, co-chair of the For Country Caucus, joined "Forbes Newsroom" to discuss President Trump's separate meetings with Putin and Zelensky.

President Donald Trump is due to meet Ukrainian President Volodymyr Zelensky, along with a number of European leaders, in Washington D.C. later on Monday.

President Trump had a long call with Ukrainian President Volodymyr Zelensky during his flight back to Washington about his talks with Russian President Vladimir Putin, White House Press Secretary Karoline Leavett said.

Ukrainian President Volodymyr Zelenskiy and his European allies arrive in Washington on Monday anxious to find out what Donald Trump committed to at his summit with Vladimir Putin and apprehensive that he’ll force Kyiv into making unpalatable concessions.