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‘Economic D-Day’: Trump threatens ‘tremendous consequences’ for ‘any country’ helping Iran

US President Donald Trump said he was launching a major new campaign to target Iran's economy.

Updated on: Aug 20, 2026, 07:49:57 IST
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Donald Trump on Wednesday announced the “most crushing economic operation” ever imposed against a country. The US President targeted Iran and warned other nations of “tremendous” consequences if they provided Tehran with any financial or commercial lifeline.

Donald Trump said any country whose financial institutions, businesses, airports or government entities provide support to Iran would face “tremendous” consequences from the US. (AP )
Donald Trump said any country whose financial institutions, businesses, airports or government entities provide support to Iran would face “tremendous” consequences from the US. (AP )

“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,” Trump wrote on Truth Social.

Any country whose financial institutions, businesses, airports or government entities provide support to Iran would face “tremendous” consequences from the US, he said.

ALSO READ | 24 hours that shook UAE: Missile alert, Iran blame, trade halt

The announcement comes as the US war on Iran nears its sixth month, with no immediate diplomatic or military off-ramp in sight. The vital Strait of Hormuz is also still majorly choked off.

Trump warns countries aiding Iran

He called for an immediate halt to alleged activities, including “oil smuggling, swap lines, cash transfers, exchange houses, ship registries, front companies”, supporting Tehran.

“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,” Trump said.

He also claimed Iran’s military capabilities had been severely degraded. “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,” Trump said. “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 US president claimed.

ALSO READ | Donald Trump ‘threatened to bomb Oman’ over Hormuz deal with Iran: Report

US steps up economic pressure

Trump's latest announcement follows comments by US treasury secretary Scott Bessent last week that Washington would ramp up efforts to economically isolate Iran as part of a strategy that also includes a US naval blockade.

“It will be a combination of economic isolation, like the world has never seen before,” Bessent told Newsmax. The US treasury has also been conducting a sanctions campaign known as Operation Economic Fury. It aims to cut off Iran’s sources of funding through targeted measures.

The war began on February 28 with US-Israeli attacks on Iran. Tehran retaliated with missile and drone strikes against US targets across the Gulf.

ALSO READ | Trump says no talks scheduled with Iran, claims Hormuz ‘open and operating’

The countries supporting Iran

Russia has reportedly provided Iran with military equipment and drone-related technology while China has continued buying Iranian oil, maintaining trade ties and giving Tehran diplomatic backing.

Pakistan has supported Iran through diplomacy and efforts to push for talks, but has not provided military support.

Iran also has the backing of allied armed groups, including the Houthis in Yemen and Iran-aligned militias in Iraq, Reuters reported.

Trump's ‘draconian sanctions’ on Iran

Trump earlier said Washington had “very draconian sanctions” available against Iran.

On the Strait of Hormuz, Trump claimed, “Right now the Strait is open. A lot of boats are coming through.”

ALSO READ | Trump threatens to bomb ‘****’ out of Oman: Muscat's balancing act between US and Iran is buckling under pressure

Trump also said the situation with Iran could improve and negotiations could resume “maybe at some point”, while repeating that Tehran must not be allowed to develop a nuclear weapon. “Iran cannot have a nuclear weapon. You know why? Because they'd use it. And we're not going to let them use it. So Iran cannot have a nuclear weapon, and they won't,” he said.

Iranian Parliament speaker Mohammad Bagher Ghalibaf said Tehran would not reopen the Strait until the US met commitments including lifting the blockade, releasing frozen Iranian assets and easing oil sanctions.

 
ABOUT THE AUTHOR
Anita Goswami

Anita Goswami is a Senior Content Producer at Hindustan Times, where she primarily covers Indian and international news. With four years of industry experience, she has led coverage of Indian General elections, Assembly elections, and national polls in the United States, Canada, Bangladesh, and Nepal. Her reporting covers global wars and major events, including Operation Sindoor, Sheikh Hasina's ouster and the Mahakumbh Mela. She verifies facts and uses clear sources to ensure accurate reporting. As former Chief Copy Editor at Storytailors, she managed teams to produce top-quality content for networks like NDTV, Profit, CNBC-TV18, Upstox and News18. Her work is featured in NDTV, Meaww, and Global Pulse. Throughout her tenure, Anita has collaborated with and been mentored by top industry experts. When not reading, Anita can be found outdoors or at a bakery. Fields of interest: Indian political history, international elections, historical policy analysis, global conflicts, cultural events, Formula 1, art, media ethics and reporting on socio-political change over time.

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