Pakistan, Aug. 20 -- US President Donald Trump has announced a major new economic campaign against Iran. He described the effort as an unprecedented operation against Tehran. Trump warned countries and businesses supporting Iran that they could face severe economic consequences. He called the campaign "Economic D-Day" and urged US allies to isolate Iran. The announcement increases pressure on Tehran amid continuing regional tensions.

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Trump said Washington would target Iran's economic lifelines. These include oil smuggling, cash transfers, exchange houses and front companies. He also warned against financial services, ship registries and other forms of support. ...