Tuesday 15 September 2026
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Iran threatens 'prohibited zone' near Strait of Hormuz as casualties mount in Yemen

Tehran warns of faster, more painful retaliation after exchange of fire with US forces

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By LineZotpaper
Published
Read Time3 min
Iran's top security chief has announced plans to establish a 'prohibited zone' near the strategic Strait of Hormuz, while the country's lead negotiator warned that any further US aggression will be met with a faster and more intense response — as fierce fighting in Yemen between government forces and Houthi rebels killed more than 140 combatants in a single day.

Mohsen Rezaei, Iran's top security chief, told state television on Sunday that a prohibited zone would be declared outside the Strait of Hormuz in the coming days. According to state media, the zone will begin from the US Navy's blockade line and extend into areas of the Persian Gulf, with any ship entering the zone placed on Iran's sanctions list.

Separately, top Iranian negotiator Mohammad Baqer Qalibaf said in a speech carried by state media that "the Americans must have understood that the era of proportionate responses has come to an end." He added that any aggression against Iran's interests and security would receive "a faster, more intense and more painful response."

The threats follow a fresh exchange of fire on Saturday. Iran's Revolutionary Guard Corps said it targeted a US naval drone, three oil tankers in the Strait of Hormuz, US vessels elsewhere, and a US aircraft carrier and destroyer. US Central Command (CENTCOM) reported that its forces had "disabled" two Iranian oil tankers off Iran's Kharg island and "completely destroyed" an unladen Iranian crude oil tanker in the Sea of Oman. CENTCOM said American warships "successfully evaded" Iran's attacks.

Iran has largely blocked passage through the Strait of Hormuz since the outbreak of war on February 28. Washington has imposed a counter-blockade on Iranian ports and last month announced an "economic asphyxiation" campaign aimed at strangling Iran's economy. In his speech, Qalibaf called for better management of Iranian imports to counter what he termed a US campaign "seeking to paralyse the supply cycle and energy management."

Revolutionary Guards spokesman Hossein Mohebi on Sunday said Tehran was seeking to inflict economic damage on the US, stating: "If America wants to inflict one dollar of economic damage on Iran, it inflicts tens of dollars of damage on itself."

Meanwhile, fighting between Yemeni government forces and Iran-backed Houthi rebels in south-west Yemen killed more than 140 combatants between midday Saturday and early Sunday, military sources told AFP. Two military officials with Saudi-backed government forces reported 84 of their troops killed, mostly by missile attacks, while four Houthi military sources said 57 rebel fighters died in the same period.

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Analysis

Why This Matters

  • The Strait of Hormuz is a critical chokepoint for global oil shipments; any disruption could send energy prices soaring and impact economies worldwide.
  • Iran's new 'prohibited zone' threat escalates the naval confrontation and risks direct clashes between Iranian and US forces in the Persian Gulf.
  • The heavy casualties in Yemen underscore the regional proxy war dimension, with Saudi-backed forces and Iran-backed Houthis trading heavy losses.

Background

The Strait of Hormuz connects the Persian Gulf with the Gulf of Oman and is a vital waterway for oil tankers. Iran and the United States have been locked in a deepening military and economic conflict since late February, when Iran largely blocked traffic through the strait. Washington responded with a counter-blockade on Iranian ports and has pursued an aggressive sanctions campaign aimed at crippling Iran's economy. The conflict has drawn in regional proxies, most notably the Houthi rebels in Yemen, who are backed by Iran and have been fighting a Saudi-led coalition since 2014.

Key Perspectives

Iran: Seeks to deter further US strikes by raising the cost of any military action, both through direct naval threats and asymmetric economic warfare. The prohibited zone is framed as a defensive measure but effectively extends Iran's control over the waterway.

United States: Has demonstrated willingness to target Iranian tankers and warships while maintaining that its forces evaded Iranian attacks. Washington's 'economic asphyxiation' campaign aims to pressure Iran without escalating to full-scale war.

Regional actors: Saudi-backed Yemeni government forces are fighting Iran-backed Houthis, making Yemen a central battlefield in the broader Iran-US proxy conflict. The high casualty toll reflects the intensity of ground fighting.

What to Watch

  • The timing and geographic scope of Iran's announced prohibited zone and how the US Navy responds.
  • Any further attacks on oil tankers or naval vessels in the strait, which could trigger a broader maritime escalation.
  • Signs of diplomatic moves, including reports that US President Trump is weighing whether to declare the war over.
  • Oil price movements and disruption to global shipping insurance in the Persian Gulf region.

Sources

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Articles published under the Zotpaper byline are synthesized from multiple source publications by our AI editor and reviewed by our editorial process. Each story combines reporting from credible outlets to give readers a balanced, comprehensive view.

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