<span style="color: #222222;">The US will designate Iran's Revolutionary Guards as a terrorist organization, an unprecedented move that would ramp up pressure on the elite force. <br />''<br />''American newspaper, The Wall Street Journal, quoting unnamed officials has reported that President Donald Trump's administration would announce the long-mulled decision on Monday and that the defence officials concerned were bracing for the impact.</span><br />'' <br />'' <span style="color: #222222;">The Islamic Revolutionary Guards Corp was formed after the 1979 Islamic revolution with a mission to defend the clerical regime.</span><br />'' <br />'' <span style="color: #222222;">The Trump administration has already imposed sweeping sanctions on Iran after withdrawing last year from an international agreement under which Tehran drastically scaled back its nuclear programme.</span><br />'' <br />'' <span style="color: #222222;">A foreign terrorist designation would make any activities of the group toxic for the United States, with any transactions involving US institutions or individuals subject to punishment.</span><br />''