Calling the move ‘an ECONOMIC D-DAY,’ he urged allies to stand with the U.S. to isolate the Persian nation.

On Wednesday, U.S. President Donald Trump announced “the most crushing economic operation ever taken” against any country providing a lifeline to Iran.

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“No one has given the Islamic Republic of Iran a greater opportunity to make a Deal than me. TRAGICALLY, for them, they have failed to take it. Therefore, today, I am announcing the MOST CRUSHING ECONOMIC OPERATION EVER TAKEN AGAINST ANY COUNTRY! This will be Economic Warfare and Isolation on an unprecedented scale,” he posted on Truth Social.

“Their navy is gone, their air force is destroyed, their military factories are now rubble, their currency is worthless, and their country is hanging by a thread. Today, I am also announcing that ANY country that allows its financial institutions, businesses, airports, or government entities to provide any type of lifeline to Iran will itself face TREMENDOUS Economic Consequences.”

“Oil smuggling, swap lines, cash transfers, exchange houses, ship registries, front companies – It all needs to stop NOW. You know who you are. This will be an ECONOMIC D-DAY, and we need all of our Allies to stand with the United States of America to isolate, and defeat, the Iran threat.”

“These maniacs are on the ropes, and these HISTORIC MEASURES will cripple them and their ability to project terror worldwide. IRAN WILL NEVER HAVE A NUCLEAR WEAPON,” the U.S. President concluded.”

US President Donald Trump has threatened ‘economic D-Day’ on any countries that help or do business with Iran.

Al Jazeera’s Mike Hanna explains how the threat, though vague, signals a renewed focus on economic, rather than military, action. pic.twitter.com/7p9McAngBK

— Al Jazeera English (@AJEnglish) August 20, 2026

His comments came nearly a week after Treasury Secretary Scott Bessent said the United States would apply measures that have “never been seen” on Iran.

On Aug. 13, Bessent said that the Treasury Department has targeted Iranian “bank accounts, crypto wallets, assets around the world, cutting off payments into both the leadership in the regime and the government itself.”

He noted that Washington is stepping up a financial campaign against Tehran that began after Trump reinstated his “maximum pressure” policy last year and intensified it following the launch of military operations against Iran in February.

The U.S. and Iran remain at odds over the Strait of Hormuz and the terms for ending the conflict, with the future of their talks uncertain after a 60-day negotiating period set under a memorandum of understanding ended on Monday.

teleSUR/ JF

Source: Xinhua

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