As President Donald Trump pushes Ukraine and Russia to commit to a peace deal before Thanksgiving, both leaders suggested they would engage on it but signaled doubts it could succeed.

Ukrainian President Volodymyr Zelenskiy's top security official denied on Friday he had agreed to the outline of a Trump administration peace plan, after U.S. officials said he had accepted most of it...

"During my visit to the United States, my role was technical — organizing meetings and preparing the dialogue. I provided no assessments or, even more so, approvals of any points. This is not within m...