Tensions between the United States and Iran have escalated sharply following a dramatic naval incident in the Gulf region, casting doubt over upcoming peace negotiations.

According to U.S. Central Command, American forces seized an Iranian-flagged cargo ship in the Gulf of Oman after it allegedly attempted to breach a U.S.-enforced naval blockade. Officials say the vessel ignored repeated warnings, prompting U.S. forces to disable it by targeting its engine room before boarding.

The operation was carried out by U.S. Marines, who remain in control of the ship. Military sources confirmed that all American personnel involved are safe.

A Warning to Other Vessels

The seizure appears to have sent a strong message. Over the weekend, at least two dozen vessels reportedly turned back after receiving warnings from U.S. naval forces in the region. Officials made it clear: any ship attempting to cross the blockade risks being stopped or seized.

This comes just a day after Iran’s Islamic Revolutionary Guard Corps (IRGC) allegedly fired on two vessels passing through the Strait of Hormuz—one of the world’s most critical oil transit routes.

Peace Talks in Question

Meanwhile, diplomatic efforts hang in the balance. U.S. officials are expected to travel to Pakistan for a new round of negotiations, reportedly led by Vice President J.D. Vance. However, Iran has not confirmed whether it will attend.

Iranian state media has sent mixed signals, with some reports suggesting talks may not happen at all. Still, analysts note that Iran has previously delayed participation before eventually showing up.