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.

Donald Trump met with Volodymyr Zelensky and a large group of European leaders who descended on the White House Monday to support Ukraine’s president, bracing for the possibility of another explosive series of meetings that could change the course of his country’s future.