Iran claims oil tanker transits Strait of Hormuz amid U.S. blockade on Iranian ports

April 15, 2026

TL;DR

Iran's state media claimed a bulk carrier and an oil tanker entered Iranian waters after transiting the Strait of Hormuz.
A top U.S. military commander stated a blockade of Iranian ports was fully implemented.
Ship tracking data showed several vessels, including sanctioned ones, making the journey through the strait.
Some vessels turned off their transponders or appeared to alter their courses near Iranian waters.
A U.S. official clarified that the blockade targets vessels entering or departing Iranian ports, not necessarily all sanctioned vessels.
The effectiveness and exact location of the blockade are not fully confirmed.

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