IRGC claims four tankers hit by mines near Hormuz, two ships seized

The allegation directly contradicts the earlier drop in crude prices, redirecting focus from diplomatic efforts and the US midterm elections back to the real-world danger to Gulf shipping. Mining poses a graver threat to maritime traffic than targeted strikes, since it endangers every vessel within a zone and takes a long time to clear. This would drive up tanker freight costs and war-risk insurance, and may lead more shipping companies to steer clear of the area. If proven true, the event is expected to inject a fresh risk premium into Brent crude and buoy energy equities, while dragging on broader market sentiment already strained by the midterm outcomes. It also muddies the Qatar-brokered negotiations, heightening the likelihood of a broader clash involving the United States.

Earlier:

• Update: Iran says Hormuz stays shut until demands met as US deal remains far off

Should the IRGC's assertion hold, the standoff at Hormuz has escalated from blockades and negotiations to mines and blazing tankers, and oil's temporary relief may have run its course.

Summary:

• Iran's IRGC reported that four tankers were destroyed after hitting naval mines south of the Strait of Hormuz
• The corps stated the vessels were still ablaze and that two additional ships had been held
• No identification was provided for the ships, their flags, cargoes or precise location
• No independent verification was available at the time
• The assertion arrives as Qatar awaits feedback from the US and Iran on a potential agreement, and just hours after limited US strikes on Qeshm island
• Oil had declined in early Asian trade prior to the announcement

Four tankers were destroyed when they struck naval mines south of the Strait of Hormuz, according to Iran's Islamic Revolutionary Guard Corps, which also said two other vessels had been taken into custody. Should it be confirmed, the incident would represent a significant intensification of the conflict along the world's most critical oil shipping lane.

The Guards reported that the four tankers remained on fire. The statement did not name the ships, their owners or nationalities, what cargo they carried or where exactly the events took place. No outside party immediately corroborated the claims. It also remained unknown if anyone was hurt or why the two other ships were detained.

The statement emerges at a critical juncture for diplomacy. An Iranian official told Reuters earlier on Tuesday that Tehran and Washington remain far from a deal to conclude their conflict. Iran insists the strait will remain closed unless the US waives oil sanctions, ends its naval blockade of Iranian ports and releases frozen assets. Qatari mediators reported that both sides were studying proposals, with a reply due within 36 hours.

A few hours earlier, US forces conducted what an American official termed limited, defensive attacks on Iran's Qeshm island, located in the strait, targeting surface-to-air missiles that had been used against US assets. President Donald Trump stated that the US was prepared to act if necessary but might not need to, while Israeli Prime Minister Benjamin Netanyahu has suggested an attack later this week.

The deployment of naval mines, if borne out, would escalate risks for shipping well beyond direct assaults on individual ships. Mines are hard to spot and remove, and can endanger any vessel traversing a waterway. That would discourage traffic and drive up insurance costs, even for tankers unconnected to the conflict.

Oil prices had fallen in early Asian trading on Wednesday as investors focused on US midterm election results and the potential for talks. The IRGC's claim is expected to refocus that attention on the physical threat to supplies.

Independent confirmation from maritime authorities, security agencies or the companies operating the vessels will be essential in assessing the incident's severity.