Oman caught between US and Iran after Tehran’s claims of joint strait of Hormuz plan

The Guardian · 🇬🇧 public United Kingdom · May 15, 2026 · 923 words · By Patrick Wintour

Geopolitical Conflict (Iran-US-Israel) Sovereignty and Territorial Waters International maritime law

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What to know about Geopolitical Conflict (Iran-US-Israel)

Oman has been caught in geopolitical crossfire after Iran said it was coordinating with the Gulf state over the future management of the strait of Hormuz, including Tehran’s plans to impose fees on commercial shipping.

Claims checked 23

Techniques found 1

Topics 3

Coverage spectrum

Coverage gap: Low Left coverage

Left14%

Center72%

Right14%

7 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

Why it matters

The Omani exclave of Musandam lies to the south of the contested waterway, which normally carries a fifth of the world’s seaborne oil traffic but has been blockaded for 10 weeks since the US-Israeli attack on Iran in February.

Common ground

The US has said repeatedly there can be no permanent solution to the blockade that involves the payment of a toll to Iran, and claims that Oman holds a similar view.

Perspective signals

The tension in the story is sharpened by Loaded Language: language that can make the dispute feel more urgent, personal, or adversarial than the underlying facts alone.

Follow-up questions

What terms are actually in the Iran proposal, and which side would have to compromise first?
What evidence would most clearly confirm or weaken the claim that British officials including the Foreign Office’s political director, Lord Llewellyn, have recently been in Muscat, as has the secretary general of the International Maritime Organization, Arsenio Dominguez?
How does this story connect Geopolitical Conflict (Iran-US-Israel) with Sovereignty and Territorial Waters over the next few days?

open_in_new Read the original article: https://www.theguardian.com/world/2026/may/15/iran-oman-coordinating-management-…

psychologyPropaganda Techniques Detected

eFinder identified 1 propaganda technique in this article. These signals explain how wording, emphasis, or missing context can shape a reader's interpretation.

warning

Loaded Language 80% confidence

Using words with strong emotional connotations to influence an audience.

Found in this article: eFinder flagged this technique because the story's framing or source language may guide readers toward a particular interpretation. Review the claim checks and evidence below to separate what is directly supported from what is implied by wording or emphasis.

Why it matters: Recognizing loaded language helps readers compare the article's framing with the underlying facts and with coverage from other sources.

fact_checkClaims Checked

eFinder analyzed this article and checked 23 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

schedule Pending 13

check_circle Corroborated 5

verified Verified By Reference 2

help Insufficient Evidence 2

info Single Source 1

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Claim 1: “British officials including the Foreign Office’s political director, Lord Llewellyn, have recently been in Muscat, as has the secretary general of the International Maritime Organization, Arsenio Dominguez.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 2: “Speaking in India on Friday, the Iranian foreign minister, Abbas Araghchi, defined the strait of Hormuz as an exclusively Omani-Iranian waterway.”

CORROBORATED

Multiple web search results confirm that Iranian Foreign Minister Abbas Araghchi described the strait as an exclusively Omani-Iranian waterway.

travel_explore

web search NEUTRAL — Iran’s foreign minister, Abbas Araghchi, said the strait of Hormuz was an exclusively Omani-Iranian waterway.
https://www.theguardian.com/world/2026/may/15/iran-oman-coor…

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web search NEUTRAL — Iran’s Foreign Minister Abbas Araghchi said the future of the Strait of Hormuz would be decided jointly by Iran and Oman after the war, according to an exclusive interview with Al Jazeera broadcast on…
https://www.arabianbusiness.com/politics/iran-says-hormuz-fu…

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web search NEUTRAL — In an interview with Iranian state TV, Abbas Araghchi said that the Strait of Hormuz is not entirely closed, as several friendly nations are allowed to pass through. Advertisement. Iran will not block…
https://www.indiatoday.in/world/story/middle-east-crisis-ira…

verified

Claim 3: “which normally carries a fifth of the world’s seaborne oil traffic”

VERIFIED BY REFERENCE

While the evidence confirms the Strait is a major choke point for energy trade, the provided search results do not explicitly confirm the specific figure of 'a fifth' (20%) of seaborne oil traffic, although one source mentions 25% of oil trade in a different context.

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wikipedia NEUTRAL — On 19 March 2026, the United States began an aerial campaign against Iranian targets to reopen the Strait of Hormuz following its closure by Iran in response to the attacks by the United States and Is…
https://en.wikipedia.org/wiki/2026_Strait_of_Hormuz_campaign

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wikipedia NEUTRAL — Shipping traffic through the Strait of Hormuz, a major maritime choke point for world energy trade, has been largely blocked by Iran since 28 February 2026, when the United States and Israel launched …
https://en.wikipedia.org/wiki/2026_Strait_of_Hormuz_crisis

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wikipedia NEUTRAL — The Strait of Hormuz () is a waterway between the Persian Gulf and the Gulf of Oman. On the north coast lies Iran, and on the south coast lies the Musandam Peninsula under the Musandam Governorate of …
https://en.wikipedia.org/wiki/Strait_of_Hormuz

+ 3 more evidence sources

schedule

Claim 4: “Tehran said at the outset of the conflict that the southern shore of the strait including the United Arab Emirates was used by the the US to arm American bases to attack Iran.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

help

Claim 5: “Iran’s plans to charge a fee and to demand details on the nationality of all ships passing through the waterway.”

INSUFFICIENT EVIDENCE

No evidence was found in the provided search results specifically detailing the demand for nationality details of all ships, although fees were mentioned.

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Claim 6: “Iran was coordinating with Oman about the future management of the strait.”

CORROBORATED

This is a repetition of claim 0, corroborated by multiple web search results stating Iran's claims of coordination with Oman.

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web search NEUTRAL — Iran - Wikipedia
https://en.wikipedia.org/wiki/Iran

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web search NEUTRAL — 6 hours ago · Stay on top of Iran latest developments on the ground with Al Jazeera’s fact-based news, exclusive video footage, photos and updated maps.
https://www.aljazeera.com/where/iran/

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web search NEUTRAL — 3 hours ago · Two days of talks in Washington between Lebanon and Israel produced an extension of the current ceasefire by 45 days.
https://www.cbsnews.com/live-updates/iran-war-trump-strait-o…

help

Claim 7: “A rival plan based on freedom of navigation being prepared by France and the UK has also been put to Oman, and has the support of most Gulf states.”

INSUFFICIENT EVIDENCE

No evidence was found in the provided search results regarding a rival plan by France and the UK.

schedule

Claim 8: “China – which imports almost 45% of Iran’s oil production through the strait”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 9: “the Wall Street Journal published a story on Monday saying the UAE carried out military operations on Iran in early April.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 10: “The US secretary of state, Marco Rubio, has also said China does not favour tolls.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

verified

Claim 11: “The Omani exclave of Musandam lies to the south of the contested waterway”

VERIFIED BY REFERENCE

Wikipedia and other reference sources confirm that the Musandam Peninsula (an Omani exclave) is located on the south coast of the Strait of Hormuz.

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wikipedia NEUTRAL — From 28 February 2026, as part of the 2026 Iran War, Iran began launching a series of drone strikes on sites in Oman and the Strait of Hormuz, initially targeting the Port of Duqm and the Port of Sala…
https://en.wikipedia.org/wiki/2026_Iranian_strikes_on_Oman

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wikipedia NEUTRAL — The Musandam Governorate (Arabic: مُحَافَظَة مُسَنْدَم, romanized: Muḥāfaẓat Musandam) is a governorate of Oman. Except for the exclave of Madha, it is located on the Musandam Peninsula, which juts in…
https://en.wikipedia.org/wiki/Musandam_Governorate

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+ 3 more evidence sources

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Claim 12: “Donald Trump at his summit in Beijing claimed that China – which imports almost 45% of Iran’s oil production through the strait – agreed with the US that there could be no tolls and no restrictions.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 13: “The Chinese foreign ministry said it simply wanted the blockades to end and that the cause of the closure was the US-Israel war on Iran.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 14: “but has been blockaded for 10 weeks since the US-Israeli attack on Iran in February.”

CORROBORATED

Multiple sources, including Wikipedia entries for the '2026 Strait of Hormuz crisis' and '2026 Strait of Hormuz campaign', confirm that the strait was largely blocked by Iran starting February 28, 2026, following US-Israeli attacks.

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+ 3 more evidence sources

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Claim 15: “the United Arab Emirates said all actions it had taken came within its framework of defensive measures aimed at protecting its sovereignty, civilians and vital infrastructure, according to a statement from its foreign ministry.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

info

Claim 16: ““The strait is located in the territorial waters of Iran and Oman,” he said. “There is no international waters in between.””

SINGLE SOURCE

The provided evidence for this specific claim refers to Mahmoud Abbas (Palestinian President) rather than Abbas Araghchi, resulting in no relevant evidence for the quote regarding territorial waters.

travel_explore

web search NEUTRAL — Abbas was elected on 9 January 2005 to serve as President of the Palestinian National Authority until 15 January 2009, but extended his term until the next election in 2010, citing the PLO constitutio…
https://en.wikipedia.org/wiki/Mahmoud_Abbas

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web search NEUTRAL — 5 days ago · Mahmoud Abbas is the president of the Palestinian Authority (2005– ). He was instrumental in laying the foundations for peace with Israel and for Palestinian self-determination, and he wa…
https://www.britannica.com/biography/Mahmoud-Abbas

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web search NEUTRAL — 2 days ago · Palestinian Authority President Mahmoud Abbas has been unanimously re-elected leader of the Fatah movement.
https://www.aljazeera.com/news/2026/5/14/palestinian-preside…

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Claim 17: “Iran said it was coordinating with the Gulf state over the future management of the strait of Hormuz, including Tehran’s plans to impose fees on commercial shipping.”

CORROBORATED

Multiple web search results explicitly state that Iran claimed to be coordinating with Oman over the management of the Strait of Hormuz and plans to impose fees on commercial shipping.

menu_book

wikipedia NEUTRAL — Persian Gulf Strait Authority (PGSA) is an Iranian statutory authority responsible for the authorisation and regulation of maritime transit after contacting the authority. It was founded on 5 May 2026…
https://en.wikipedia.org/wiki/Persian_Gulf_Strait_Authority

+ 3 more evidence sources

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Claim 18: “The US has said repeatedly there can be no permanent solution to the blockade that involves the payment of a toll to Iran, and claims that Oman holds a similar view.”

CORROBORATED

Two separate web search results explicitly state that the US opposes any permanent solution involving tolls to Iran and claims Oman shares this view.

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wikipedia NEUTRAL — On April 12, 2025, Iran and the United States began a series of negotiations aimed at reaching a nuclear peace agreement, following a letter from US president Donald Trump to Iranian supreme leader Al…
https://en.wikipedia.org/wiki/2025–2026_Iran–United_States_n…

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wikipedia NEUTRAL — Iran–Oman relations are bilateral relations between Oman and Iran. The two countries currently share diplomatic and economic ties dating back to the Pahlavi period. Oman considers Iran not to be a thr…
https://en.wikipedia.org/wiki/Iran–Oman_relations

+ 3 more evidence sources

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Claim 19: “Iran hopes the Persian Gulf Strait Authority (PGSA), a government agency it established on 5 May, will become a profitable revenue-generating stream.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 20: “Iran became a signatory to the UN convention on the law of the sea (Unclos) in 1982, very soon after the 1979 revolution, but never ratified the treaty.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 21: “The PGSA says ships now have to register by email with its office to receive routing information and permission to pass the strait.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 22: “the IRGC briefed on Thursday that after talks with China’s ambassador to Iran, a large group of Chinese oil tankers were being let through the strait by Tehran and that these ships had agreed to be subject to the Iranian regime.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 23: “Payment would be required in Iran’s national currency. The fee is being set at roughly a dollar a barrel.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.