The White House, ahead of Monday's meeting, asked Zelensky to wear a traditional suit and tie, according to a European official and another person involved in planning. The request came through the office that handles White House protocol, though a spokeswoman declined to comment publicly.

Russian President Vladimir Putin hoped to meet alone with Ukrainian President Volodymyr Zelensky as the two countries try to work towards peace, but U.S. President Donald Trump keeps saying he needs to be involved in the talks.