Hyderabad, Aug. 20 -- US President Donald Trump has announced what he called the "most crushing economic operation" against Iran, warning countries and entities providing financial or commercial support to Tehran of "TREMENDOUS Economic Consequences".

In a post on Truth Social on Thursday, August 20, Trump accused Iran of failing to seize opportunities to reach a deal with Washington and said the US would pursue "Economic Warfare and Isolation on an unprecedented scale".

He said any country whose financial institutions, businesses, airports or government entities provide Iran with a "lifeline" would face economic consequences. Trump specifically called for an end to oil smuggling, swap lines, cash transfers, exchange houses, ship regist...