Trump’s threats of secondary tariffs are “never going to go anywhere” as long as he is unwilling to impose costs on Moscow directly, Keir Giles, a senior fellow at the London-based Chatham House think tank, told NBC News Monday.

The Kremlin on Tuesday reacted icily to Donald Trump's warnings to President Vladimir Putin over Ukraine, saying that recent decisions by the U.S. president and the NATO military alliance would be interpreted by Kyiv as a signal to continue the war.

U.S. Ambassador to NATO Matt Whitaker joins the ‘Brian Kilmeade Show’ to discuss President Donald Trump’s updated strategy for the Russia-Ukraine war and what it could mean for the path to peace.

The president left the door open for talks with his Russian counterpart but complained about Russia’s continued aerial attacks on Ukraine.

U.S. President Donald Trump's threat to choke off Russia’s oil revenue via secondary sanctions would deal a hammer blow to Moscow's finances, but markets are betting that the risk of higher energy prices will keep Washington from following through.

Trump's threat against Russia runs parallel to a Senate-led effort to pass crippling sanctions on countries that buy Russian energy.

Donald Trump’s remarks on Ukraine on Monday were far from the biggest announcement the US president could have made. The good news for Kyiv is familiar. Trump has permitted NATO’s other members to buy American arms – a wide range of them,

The Kremlin said on Tuesday that U.S. President Donald Trump's recent statements, including a threat of sanctions on buyers of Russian exports, are serious and require analysis.

A White House official clarified to CNN that when the president referred to ‘secondary tariffs,’ he meant 100% tariffs on Russia and secondary sanctions on other countries that buy Russian oil,” per CNN’s Kevin Liptak.