Here are some key takeaways from the high-stakes meeting. President Trump on Monday said the United States will be involved in security assistance for Ukraine -- a key condition for Zelenskyy in any deal to end the war -- but did not elaborate on what exactly that would look like or give any specifics.

Ukrainian President Volodymyr Zelensky traded his trademark military-style garb for a sharp black suit for his high-stakes return to the White House on Monday, indulging Trump's perception of clothing...

a U.S. reporter asked why he wasn’t wearing a suit, a question that only heightened the antagonistic atmosphere.