White House press secretary Karoline Leavitt said on Tuesday that Russian President Vladimir Putin has promised to meet with Ukrainian President Volodymyr Zelenskyy.

Leaders of five European nations, plus the European Commission and NATO, are meeting with presidents Trump and Zelenskyy Aug. 18. Here's who they are.

With a chance to make a better second impression in the Oval Office, gratitude diplomacy was front and center for Zelenskyy. In addition to thanking the president six times, Zelenskyy extended gratitude to Melania Trump for personally writing to Russian President Vladimir Putin to think about the Ukrainian children and urge peace.

As President Donald Trump hosted Ukrainian President Volodymyr Zelenskyy and top European leaders to energize months of stalled U.S.-led efforts to halt Russia's 3 1/2-year-old war, the tone and style of the sit-down was far different than when Zelenskyy was hounded out of the White House in February.

The New York Times is reporting that President Donald Trump paused his meeting with Ukranian President Volodymr Zelenskyy and other European leaders to call Russian President Vladimir Putin. A senior White House official told NBC News that Trump "took President Putin’s phone call in the Oval Office.

WASHINGTON (AP) — Ukraine’s future could hinge on a hastily assembled meeting Monday at the White House as Ukrainian President Volodymyr Zelenskyy brings with him an extraordinary cadre of European leaders to show U.S. President Donald Trump a united front against Russia.

Trump made the announcement after a day of talks with Ukraine's Volodymyr Zelenskyy and a delegation of top European officials. He said he'd meet with the two leaders afterward, but did not say when.