Iran's Revolutionary Guard rejected that claim, declaring the strait to be Iranian territory and warning that it would not tolerate what it called illegal U.S. interference.

Iran responded by targeting Gulf nations, with new strikes on Bahrain, Jordan and Kuwait, according to state media reports.

U.S. and Iranian forces have exchanged heavy missile and drone assaults, with Tehran targeting U.S. facilities in states across the Gulf on Sunday and saying it had again closed the vital ​Strait of Hormuz.

Iran fires on ships, again targets Gulf neighbors; Tehran accuses US of hampering talks on strait; Germany, France and Britain condemn Iranian attacks in waterway

U.S. Central Command announced on social media that the U.S. military had begun another round of strikes against Iran.

Iran says Strait of Hormuz is closed after a vessel using an ‘unauthorized route’ was struck by a warning shot in the critical waterway — potentially further menacing the already tenuous ceasefire agreement with the United States.