The reaction to President Donald Trump’s latest ultimatum to Russian President Vladimir Putin might best be described as dismissive scorn. “As so often with Trump, the teaser was more interesting than the main show,

A Russian official says American Daniel Martindale has been rewarded with citizenship for spying on Ukraine, "by decree of our President Vladimir Putin."

Trump's moves underline his growing disenchantment with Russian President Vladimir Putin over the lack of progress in U.S.-led efforts to secure a ceasefire.

Two Russian agents were killed by Ukrainian security forces Sunday following reports that the Russian operatives assassinated Ukrainian Colonel Ivan Voronych.

NATO allies will buy arms, then give them to Ukraine, President Trump said. Patriot air defense systems, missiles and ammunition are among the American-made weapons NATO allies will buy under an arms deal brokered with President Trump to help Ukraine defend itself from Russian attacks, officials say.