The president repeatedly said on the campaign trail that he would bring an end to the war in the first 24 hours of his second term.

U.S. President Donald Trump said on Thursday that a phone call earlier in the day with Vladimir Putin resulted in no progress at all on efforts to end the war in Ukraine, while a Kremlin aide said the Russian president reiterated that Moscow would keep pushing to solve the conflict's "root causes.

Trump spoke Thursday morning with Russian President Vladimir Putin – two days after the US cut off air defense missiles and other weapons to Ukraine citing low American stockpiles.