EU backs U.S. sanctions on Iran as Hormuz tensions persist

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EU backs U.S. sanctions on Iran

Highlights

The EU backed the U.S. sanctions campaign against Iran.
Washington is preparing additional secondary sanctions.
South Korea is considering assistance around Hormuz.
Tehran faces growing financial and maritime pressure.

The EU endorsed Operation Economic Outcast, a U.S. sanctions initiative targeting Iran’s links to global finance, digital assets, technology procurement, gold, aviation, and shipping, CNBC reported. Brussels said earlier that additional economic pressure should accompany efforts to curb destabilizing activity and revive negotiations with Tehran.

Sanctions pressure expands beyond Washington

The Trump administration launched Operation Economic Outcast in late August, seeking to restrict Iran’s access to financing and international commerce. Treasury Secretary Scott Bessent used this week’s Group of 20 meetings in Asheville, North Carolina, to push other governments toward reducing their financial exposure to Tehran.

Washington is also preparing secondary sanctions against institutions that continue facilitating Iranian transactions. Banks are an early focus, with access to the dollar-based financial system providing the U.S. with substantial leverage over institutions outside Iran.

The EU already maintains separate sanctions covering Iran’s nuclear and ballistic missile programs and its military support for Russia. Its participation in the U.S. initiative broadens the coordinated financial pressure on Tehran at a time when China remains particularly important to Iranian trade and previously purchased about 90% of the country’s sanctioned crude exports.

South Korea considers a security role

Seoul is separately examining options that could include military support for efforts to reopen Hormuz to commercial traffic. South Korea has not made a final decision, despite domestic reports suggesting troops could be sent to the Gulf before the end of the year.

The discussions come as fighting has intensified again. U.S. forces carried out new strikes against Iranian military targets this week, while Iran responded with attacks on American bases across the Middle East.

Commercial shipping remains constrained. U.S. Central Command said it had redirected 87 commercial vessels, disabled three, and boarded two as part of enforcement around Iranian maritime activity.

Hormuz keeps economic risks elevated

The combination of sanctions and military pressure increases risks for both Iranian trade and regional shipping. Hormuz remains one of the world’s most important maritime energy corridors, making disruptions there capable of affecting crude supplies, freight costs, and inflation far beyond the region.

Oil markets, however, showed a relatively muted reaction in the latest trading. Brent November futures stood at $95.41 a barrel, down 0.12%, while WTI October futures traded at $91.40, up 0.11%. The limited moves suggest traders are balancing renewed geopolitical risks against the absence, so far, of a more severe disruption to crude oil flows.

Earlier, we reported that Kuwait and Qatar ramped up oil shipments through Hormuz.

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