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.

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.

Ukraine, Russia, and much of the rest of the world are awaiting a planned “major statement” on the conflict by US President Donald Trump amid a flurry of diplomatic activity from Washington to Kyiv.