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

Trump said the United States would put secondary tariffs on countries that do business with Russia if a peace deal is not reached in 50 days.

Daniel Martindale, a U.S. citizen who helped the Kremlin target Ukrainian troops and was then spirited out of eastern Ukraine by Russian special forces, has received a Russian passport in Moscow. Russian state television broadcast a report on Tuesday showing Martindale,

A former senior U.S. official said it was “shortsighted” to consolidate the department’s well-respected intelligence arm.

Donald Trump’s remarks on Ukraine on Monday were far from the biggest announcement the US president could have made.

Ukraine's security agency says it has killed Russian agents suspected of assassinating a senior officer in Kyiv.