The warning heightens risks for the charterers and shipowners whose vessels transit through the Strait of Hormuz, a key waterway for the world's energy shipments.

Iran's Ports and Maritime Organization warned vessels of future passage restrictions and potential confiscation. Authorized countries transiting the Strait of Hormuz will now pay…

Iran warned on Sunday that some ships failing to comply with its transit regulations in the Strait of Hormuz could face penalties during subsequent passages, including fines,…