Vantage with Palki Sharma | N18G US President Trump has threatened secondary sanctions to pressure Russia, marking a sharp shift in tone. These sanctions would target any entity doing business with Moscow,

Russia's nuclear rules say it can use atomic weapons if the country — or one of its allies — is attacked, especially if the attacker is a non-nuclear nation backed by a nuclear power. That clause could be seen as applying to Ukraine,

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.

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

Latest news and updates as Trump announces the U.S. will send Patriot missiles to Ukraine and meets with NATO's secretary general.

Pentagon officials said details were still being worked out, and experts doubted Mr. Trump’s threat of huge tariffs for Russian trading partners.

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

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.

President Donald Trump’s new weapons deal and his increasing criticism of Vladimir Putin have sparked fear among some Russians that Putin could overplay his hand.

President Vladimir Putin intends to keep fighting in Ukraine until the West engages on his terms for peace, unfazed by Donald Trump's threats of tougher sanctions, and his territorial demands may widen as Russian forces advance,