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U.S. naval forces intercepted and seized the Iranian-flagged cargo ship Touska in the Gulf of Oman after its crew refused warnings to halt amid a U.S. naval blockade near the Strait of Oman. The USS Spruance disabled the vessel by blowing a hole in its engine room, allowing U.S. Marines to take custody for inspection. President Trump commented on the incident via Truth Social, while broader context including the blockade's targets and ship history remains disputed.

Tankers and bulk carriers anchored in the Strait of Hormuz on April 18, 2026, following restrictions by Iran and a US naval blockade affirmed by President Trump. The US military seized an Iranian-flagged cargo ship attempting to bypass the blockade, prompting Iran to reverse a brief reopening announcement and vow retaliation. Oil prices surged then partially reversed, amid the eighth week of the US-Israeli war against Iran.

The United States seized an Iranian-flagged cargo ship that attempted to breach its blockade of Iranian ports, firing on the vessel and taking full custody. The incident occurs during a ceasefire between the U.S. and Iran, with both nations involved in blockades affecting the Strait of Hormuz, a route handling one-fifth of global oil supply. Oil prices rose over 5% following the event, amid Iranian threats of retaliation.