Key takeaways
- IRGC says two tankers and a tugboat caught fire in Hormuz; Iran's regular navy separately claimed a tanker hit a mine east of the strait. No vessel is named and nothing is independently confirmed.
- UKMTO reported a separate projectile strike in the Persian Gulf; no source links it to the IRGC's ships.
- The claims cannot currently be tested: UKMTO says most ships now refuse to report attacks, so silence settles nothing.
Iran's Islamic Revolutionary Guard Corps (IRGC) said on Thursday 5 November that two oil tankers and a tugboat caught fire overnight in the Strait of Hormuz. The statement was carried by the Fars and Tasnim news agencies and the official IRNA agency, and Reuters reported it. No vessel has been named, and no independent confirmation had been reported by Thursday.
The IRGC described "two separate incidents". In the first, it said, a large tanker "attempting to pass through the illegal passageway south of the Strait of Hormuz suffered a fire after striking a mine". In the second, it said, a supertanker was halted by fire while leaving the eastern strait, and a tugboat that approached to help also caught fire. Insight International, Anewz and Safety4Sea noted that the IRGC gave no names, flags, crew details, casualty figures, damage details or positions. The IRGC also claimed its navy took control of two US LUCAS drones (Low-cost Uncrewed Combat Attack System). Al Jazeera reported no immediate US comment. Separately, Iran's regular navy said on Thursday morning that a tanker had struck a mine and caught fire east of the strait after switching off its identification and navigation systems, according to state broadcaster IRIB. It did not name the ship, and it is unclear whether this is one of the IRGC's two tankers or a third vessel.
What UKMTO has and has not confirmed
UK Maritime Trade Operations (UKMTO) issued Warning 196-26 on Thursday. It said a tanker was struck by two unidentified projectiles at about 23:20 UTC on 4 November, roughly 50 nautical miles (about 92 km) north of Madinat ash Shamal, Qatar. That is in the Persian Gulf, not the strait. The crew's condition and the damage were unknown, and authorities are investigating. AP reported no immediate claim of responsibility.
Earlier this week UKMTO reported another tanker hit by two projectiles northeast of Limah, Oman, with no casualties. Both reports describe projectiles, not mines.
UKMTO said last month it was struggling to report attacks accurately because most ships refuse to report them (AP). A missing notice therefore settles nothing either way.
On Tuesday 3 November the IRGC claimed three tankers had struck mines, and on Wednesday 4 November it claimed four "non-compliant" tankers had struck mines and caught fire. Crisis.Zone reported that claim, which is also unverified. IranWire reported that US Central Command (CENTCOM) has repeatedly dismissed earlier Iranian mine claims as inaccurate.
Observers are reading: analysis of how the unverified claims, the Qeshm strikes and Qatar's mediation interact, and what each side gains from the ambiguity.
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What would confirm or contradict the account
Confirmation would look like a UKMTO or Joint Maritime Information Center advisory matching the claims, or a flag state, owner or insurer coming forward. Vessel-tracking data showing a stopped or burning ship would also count, as would a CENTCOM response. Until one of these appears, the IRGC's account remains a claim.
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