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.

President Trump and Congress are threatening harsh sanctions against Moscow for its three-year war in Ukraine.

The Trump administration has resumed sending some weapons to Ukraine, a week after the Pentagon had directed that some deliveries be paused