Strait of Hormuz shut? Iran makes U-turn, calls claims ‘baseless’, ‘absurd’; slams US for death of '100 sailors'

The Iranian mission to UN also criticised the American naval attack that sank the Iranian frigate IRIS Dena in international waters, resulting in the ‘deaths of over 100 sailors’

Sudeshna Ghoshal
Updated5 Mar 2026, 11:16 PM IST
People sit inside a school transformed into a shelter for displaced people in the town to Dekwaneh, north of Beirut on March 5, 2026. Israel bombarded Lebanon on March 2, expanding the conflict across the region after the massive Israel-US attack on Iran that the US president launched to topple Tehran's ruling clerics, and killing their supreme leader on February 28. (Photo by Joseph EID / AFP)
People sit inside a school transformed into a shelter for displaced people in the town to Dekwaneh, north of Beirut on March 5, 2026. Israel bombarded Lebanon on March 2, expanding the conflict across the region after the massive Israel-US attack on Iran that the US president launched to topple Tehran's ruling clerics, and killing their supreme leader on February 28. (Photo by Joseph EID / AFP)(AFP)

Iranian mission to United Nations, on Thursday, denied all ‘claims’ that the Islamic Republic has closed the Strait of Hormuz. Describing the “claims” as “baseless” and “absurd,” the Iran mission claimed that “in reality, it is the US that has endangered maritime security.”

“The claim that Iran closed the Strait of Hormuz is baseless and absurd. Iran remains committed to international law and freedom of navigation. In reality, it is the U.S. that has endangered maritime security,” the Iran mission's post on X read.

On Monday, 2 March – a senior commander from Iran's Revolutionary Guard said that the Strait of Hormuz had been shut and warned that any vessel attempting to transit the waterway would be targeted, Iranian media reported.

The series of claims comes amid the ongoing Israel-Iran-US conflict which entered its sixth day on Thursday, 5 March – with explosions also reported across Abu Dhabi, Qatar, Dubai – among other key Gulf cities.

Where is Strait of Hormuz?

The Strait of Hormuz connects the oil-rich Persian Gulf to the Indian Ocean and sits between Iran and Oman’s Musandam exclave. At just around 50 kilometres (30 miles) wide and no deeper than 60 metres (200 feet) in places, the strait is geographically vulnerable to military disruption.

Why is it important?

Described by the US Energy Information Administration (EIA) as one of the world’s most important oil chokepoints – Strait of Hormuz – handles about 20 million barrels of oil per day — which is roughly one-fifth of global consumption — and around one-fifth of global LNG trade, mainly from Qatar.

Several strategically important islands dot the waterway, including Iran’s Hormuz, Qeshm and Larak. Also located there are the disputed Greater Tunb, Lesser Tunb and Abu Musa islands, under Iranian control since 1971, offering Tehran a commanding position over passing ships.

In its X post, the Iranian mission to UN also criticised the American naval attack that sank the Iranian frigate IRIS Dena in international waters, resulting in the “deaths of over 100 sailors.”

Strike on IRIS Dena

On Wednesday, 4 March, a US submarine sank an Iranian warship in international waters, US Defense Secretary Pete Hegseth said.

Iranian officials said the vessel – IRIS Dena – had been visiting India before the attack and was carrying around 130 sailors when it was struck off the coast of Sri Lanka.

IRIS Dena, the 1,500-ton Moudge-class frigate, was on its way to Iran after taking part in a multilateral maritime exercise, Milan 2026, in Visakhapatnam.

On Thursday, Iran Foreign Minister Seyed Abbas Araghchi accused Washington of launching an unprovoked strike thousands of miles from Iranian territory, warning that the United States would ultimately “bitterly regret precedent it has set.”

About the Author

Sudeshna Ghoshal is a Content Producer for Livemint, where she decodes international affairs, US politics, besides covering general news. With nearly two years in the newsroom, she has covered a plethora of topics ranging from developments around trade deals, elections, nuances in geopolitical shifts to fine prints of Union Budgets. A fellow of the US Consulate General’s Business Communication cohort, she has also reported on airline launches, and national affairs. As a person who thinks out of the box, she aims to blend her creativity with how stories are told.<br><br> Born and raised in Kolkata, Sudeshna’s academic journey has taken her across multiple cities in India, and she is now based out of Delhi. She studied English Literature and holds a postgraduate diploma from the Asian College of Journalism, Chennai. She also has a keen interest in foreign languages and cultures of different nations.<br><br> When the news cycle slows down, you will find her experimenting with either music or food, or dabbling with paints. She posts at sudeshna02_ and can also be reached out on LinkedIn.

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