Iran vows to retaliate as US announces expansion of sanctions in ‘economic onslaught’

Treasury Secretary Scott Bessent speaks at a news conference, Monday, Aug. 24, 2026, at the Treasury Department in Washington. (AP)
Treasury Secretary Scott Bessent speaks at a news conference, Monday, Aug. 24, 2026, at the Treasury Department in Washington. (AP)
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Updated 25 August 2026 10:00
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Iran vows to retaliate as US announces expansion of sanctions in ‘economic onslaught’

Treasury Secretary Scott Bessent speaks at a news conference, Monday, Aug. 24, 2026, at the Treasury Department in Washington.
  • US Treasury Department said it has issued determinations against five sectors — digital assets, technology, gold, ⁠aviation and shipping

WASHINGTON: Iran promised to retaliate against expanded US sanctions that the Americans said would cut Iran's economic ​lifeline, with Tehran expressing confidence that major trading partners would resist Washington's pressure campaign.

At a press conference, US Treasury Secretary Scott Bessent unveiled what he described as an “economic D-Day” that aims to give a final warning to countries to sever their business ties with Iran or risk having key companies and entities cut off from the ‌dollar-based financial system.

“We ‌are launching an economic onslaught against Iran’s financial ​connections ‌around ⁠the globe. ​Our ⁠objective is to sever every economic lifeline that sustains this tyrannical regime until Tehran stands alone,” Bessent said.

The US Treasury Department has mapped the networks, facilitators, and financial channels that Iran uses to smuggle oil and evade sanctions and said that Washington would be working with US partners to target any source of Iran’s “illicit revenue.”

“Treasury has issued determinations against five critical sectors — digital assets, technology, gold, aviation, and shipping — that the Iranian regime uses to try to prop up its failing economy,” it said in a statement.

The Treasury has ‌also imposed sanctions on nearly 60 entities, individuals and ​vessels.

China has for several years been ‌the biggest buyer of Iranian oil and Washington has intensified its efforts ‌to clamp down on Chinese purchases, but has so far stopped short of designating larger Chinese banks that may be facilitating the oil trade.

Trump’s war with Iran, which has pushed energy prices higher worldwide, is about to hit its six-month mark. While heavy fighting has ‌subsided, diplomatic efforts to end the war have stalled and oil and raw material shipping through the Strait of Hormuz ⁠remains blocked, ⁠keeping energy prices elevated.

Trump’s approval rating has fallen to a low point, with just 33 percent of Americans in the latest Reuters/Ipsos poll approving of his performance. He says the economic costs are necessary to ensure Iran does not have a nuclear weapon.

 

 

Years of US sanctions on Iran 

The US has maintained sanctions against Iran for decades, most of which have been aimed at curtailing the country’s oil revenues, aviation sector, cryptocurrency, procurement of weapons components and other military hardware, and cutting off funding for business enterprises controlled by the Islamic Revolutionary Guard Corps, a dominant force in the Iranian economy.

The sanctions bar designated entities from the dollar-based financial system, but Iran ​has been successful in quickly standing ​up new front companies, other entities and vessel registrations to evade the sanctions. 

Ali Vaez, Middle East and North Africa deputy program director at the International Crisis Group, said the administration appeared to be combining several sources of pressure on Tehran at a particularly vulnerable moment.

“The US is looking to marshal the four horsemen of an Iranian financial apocalypse: A blockade, heightened sanctions pressure, war damage and internal economic mismanagement,” Vaez told Arab News.

“The Islamic Republic has faced all of these before, though rarely in tandem and at a time when its challenges are already so acute.”

He said Tehran may believe it can withstand the pressure and could respond with military action.

“While there is little doubt in Washington’s ability to impose substantial pain, Tehran believes that it has a high threshold for absorbing it, as well as the potential to respond to financial pressure with military counterpressure,” he said.

“The question is whether this new chapter in economic brinksmanship is intended to be a zero-sum campaign aimed at collapsing the regime, or leverage towards an agreement.”

“Treasury has issued determinations against five critical sectors — digital assets, technology, gold, aviation, and shipping — that the Iranian regime uses to try to prop up its failing economy,” the Treasury Department said in a statement.

Iran vows to retaliate 

Before the news, Iran threatened both a possible military response and further reduction in oil exports from the Gulf in retaliation for any US economic measures.

After they were unveiled, Iranian Economy ‌Minister Ali Madanizadeh said, “We ‌are fully prepared for the US sanctions.”

He told state television, “Naturally, the enemies intend to launch ​an ‌economic terrorist ⁠attack on ​us, ⁠but we also have our own tools and know how to play the game. Our defense is no longer so defensive; the enemies should wait for an attack.”

Neither China nor Russia had “accepted” the US measures, he added, predicting that other countries would resist them.

Brigadier General Hossein Mohebbi, a spokesperson for Iran's Islamic Revolutionary Guard Corps, vowed heavy blows to US vital interests and energy chokepoints if Iran's infrastructure is threatened, Press TV reported.