It was a striking contrast to the meeting six months ago, when Trump, red-faced and angry, accused an agitated Zelensky of failing to show enough gratitude to the United States. The blowup was so heated that the Ukrainian delegation was sent from the White House without being allowed to eat their waiting lunch.

President Donald Trump is holding hastily arranged talks Monday with Ukrainian President Volodymyr Zelensky and a host of European leaders — a rarity at the White House — as he seeks to negotiate an end to Russia’s war in Ukraine.