Guards announce tanker strike

Iran's Revolutionary Guards said on Monday, 19 October 2026, that a tanker had struck a naval mine south of the Strait of Hormuz, causing an explosion and a fire in its engine room. The statement was carried by the Iranian news agency Irna and did not name the vessel or say where it came from. According to the Guards, the tanker was trying to pass along an unauthorised southern route and had switched off its location and identification systems. The strait sits at the centre of the confrontation between Washington and Tehran. The Guards' navy then warned that it would take severe and firm measures against any vessel crossing the Strait of Hormuz or the Persian Gulf with its navigation and identification systems turned off.

A run of incidents

Mediafax, citing Iranian authorities, reported that the explosion aboard this tanker came on Sunday evening, 18 October, while the ship was trying to leave the area. Iranian authorities described it as the third incident of this kind they had announced in three days. On Saturday, 17 October, Mediafax reported, a large tanker carrying more than two million barrels of crude struck a mine and caught fire while attempting to cross on an unauthorised route. On Friday, 16 October, another tanker hit a mine in the same zone, causing an explosion and a fire on board. The Iranian authorities have not named the tanker struck on Sunday, its flag, or whether anyone on board was hurt.

Control of the strait

Iran claims control of the Strait of Hormuz, through which about a fifth of the world's hydrocarbons passed before the war. Before the conflict, crossing the waterway needed no authorisation from Tehran. Since Iranian forces blocked the strait, many vessels have tried to pass without Iranian approval by hugging the coast of Oman. Tehran considers those crossings a violation and has repeatedly threatened retaliation against them. The war began on 28 February, when Israeli and American strikes hit Iran, and Iran answered with missile and drone attacks on Israel and on American targets in several Middle Eastern states. Mediafax reports that the United States later imposed a naval blockade on Iranian ports and encourages commercial ships to use the southern corridor, which Iran does not recognise.

What remains unreported

None of the reports include a statement from the tanker's owner, operator or flag state. The name, flag and cargo of the vessel struck on Monday are not given, and the reports do not say whether its crew was harmed. The account of the disabled tracking systems and the unauthorised route comes from the Iranian side alone. The articles describe these mine incidents as occurring on routes that Tehran has not approved, and the sequence of strikes over three days is based on Iranian authorities' statements as relayed by the press.