Iranian forces launched drones towards US warships following an attack on an Iranian commercial vessel in the Sea of Oman, Al Jazeera reported, citing Iranian media. Meanwhile, the Islamic Revolution Guards Corps (IRGC) has claimed that US forces stationed in the Sea of Oman were forced to retreat after firing at an Iranian merchant vessel, Press TV reported.
Citing Mehr news agency, Press TV reported that US forces operating in the region targeted an Iranian merchant ship in an attempt to compel it to return to Iranian territorial waters.
Hormuz tensions and blockade claims escalate
According to the report, the incident took place amid heightened maritime tensions involving the Strait of Hormuz and movement of international shipping vessels.
It added that the US move was linked to the closure of the Strait of Hormuz and the return of Indian and British merchant ships, as well as control measures carried out by the IRGC.
However, it emphasised that American forces were forced to retreat following the “timely presence and rapid response” of IRGC naval units in support of the Iranian vessel, as per Press TV.
The report further claimed that the United States had announced a naval blockade on Iran after failing to achieve its military objectives in what it described as a joint military campaign with Israel that began in late February.
It said the blockade was imposed in response to Iran’s restrictions on transit through the Strait of Hormuz, a key global energy corridor.
Iran had briefly eased restrictions on non-hostile commercial shipping on Friday amid efforts to de-escalate tensions, according to the report.
Iran reimposes Hormuz closure amid ceasefire row
However, the IRGC Navy said in a statement on Saturday that Iran had closed the Strait of Hormuz after the United States allegedly continued its blockade on Iranian ports in violation of a ceasefire announced by US President Donald Trump on April 8.
“However, due to the violation of the ceasefire conditions, and as the American adversary has not lifted the naval blockade on Iranian vessels and ports, the Strait of Hormuz has been closed as of this evening until this blockade is removed,” the IRGC said.
Earlier on Sunday, Tasnim news agency reported that Iranian Armed Forces intercepted two oil tankers sailing under the flags of Botswana and Angola in the Strait of Hormuz and turned them back.
US-Iran accusations intensify after ship seizure
The developments come amid further escalation following Iran’s confirmation that a US operation targeted an Iranian commercial vessel in the Sea of Oman. Iran’s Hazrat Khatam al-Anbiya military headquarters accused Washington of “violating the ceasefire and committing maritime piracy” and said the vessel had been seized.
“We warn that the Armed Forces of the Islamic Republic of Iran will soon respond to and retaliate against this armed piracy by the US military,” it said.
The statement followed claims by US Central Command (CENTCOM) that American forces intercepted and disabled the Iranian-flagged vessel TOUSKA in the Arabian Sea after it allegedly violated a naval blockade.
CENTCOM said the USS Spruance fired several rounds into the vessel’s engine room after repeated warnings were ignored, and later boarded it, placing it under US custody. President Donald Trump also claimed the vessel had been taken into “full custody”.
The situation has further intensified tensions in the Strait of Hormuz, with both sides trading accusations over maritime security, ceasefire violations and control of critical shipping routes.
Published on April 20, 2026