Trump said he would end the war in Ukraine within his first 24 hours in office. His patience with Russia's Putin now appears to be wearing thin.

The legislation, which would allow the president to levy a 500% tariff on imports from countries that purchase Russian uranium, gas and oil, has gained momentum in the Senate as Trump has signaled he will escalate US action against Russia.

An audio recording from 2024 run by CNN in which Trump said he had threatened Putin with bombing Moscow if he entered Ukraine, plus the U.S. leader's latest criticism, could mean a tougher stance by Washington toward Moscow is on the cards.