US president also says any country that trades with Iran will ‘face tremendous economic consequences’. US President Donald Trump has again threatened Iran with unprecedented economic action, accusing Tehran of failing to seize an opportunity to reach a deal as talks aimed at ending the more than five-month conflict between the two countries remain deadlocked. In a post on Truth Social on Wednesday, Trump announced what he called the “most crushing economic operation ever taken against any country” against Iran, using his signature all-caps style. He said Iran had “failed to take” the opportunity to make a deal and would...