US treasury secretary vows Washington will 'collapse' Islamic Republic regime, promises toughest sanctions yet; US targets Hezbollah with new sanctions, emphasizing ties to Tehran

The announcement extends a pressure campaign the Trump administration has waged since April under the banner Operation Economic Fury.

The US president says he is launching the ‘most crushing economic operation ever taken against any country’.

Iran's Foreign Minister, Abbas Araghchi, dismissed Mr Trump’s latest threats in a post on X.