P resident Donald Trump welcomed Ukrainian President Volodymyr Zelenskyy to the White House for a high-stakes meeting as the U.S. president pushed for a deal to end Moscow's war on its neighbor. A host of European leaders joined the pair.

During Ukrainian President Volodymyr Zelenskyy’s visit to the White House on Monday, he spoke with a familiar figure – a right-wing reporter who had famously called out his choice of attire during Zel...

Mr. Trump brought the leaders of Armenia and Azerbaijan to the White House this month to sign a joint declaration aimed at bringing their long-running conflict closer to an end.