President Donald Trump announced an unprecedented economic offensive against Iran on Wednesday, warning that any nation, financial institution, company, or government entity doing business with Tehran would face "MASSIVE economic consequences".
Writing on his Truth Social platform on 19 August 2026, Trump declared the United States was preparing the "toughest economic war of all time" against Iran, adding that countries supporting the Islamic Republic should expect severe retaliation. The announcement came as negotiations to end the conflict — now stretching beyond five months — between Washington and Tehran remain deadlocked.
The escalation in rhetoric signals a hardening of the U.S. position after months of fruitless diplomacy. Trump's threats appear aimed at isolating Iran economically by pressuring third-party nations and their commercial sectors to sever ties with Tehran or risk punitive American sanctions.