Trump Orders Naval Blockade of Strait of Hormuz After Iran Ceasefire Talks Collapse

Following the failure of U.S.-Iran ceasefire negotiations in Islamabad, Pakistan, President Trump announced on April 12, 2026, that the U.S. Navy would blockade the Strait of Hormuz, effective April 13 at 10 a.m. EDT. Trump posted on Truth Social calling Iran's control of the waterway "EXTORTION" and stated the Navy would intercept ships that had paid tolls to Iran. He also threatened to bomb Iranian water treatment facilities, power plants, and bridges if Tehran refused to abandon its nuclear weapons program. The blockade would be enforced against vessels of all nations attempting to enter or leave Iranian ports, though ships transiting between non-Iranian ports would be permitted passage. Trump warned that any ships targeting the blockade would be "immediately ELIMINATED." The action raised significant concerns about international maritime law, particularly the UN Convention on the Law of the Sea provisions on freedom of navigation through international straits, and escalation of ...

"The U.S. Navy would immediately begin blockading all ships attempting to enter or leave the Strait of Hormuz, calling Tehran's expanded control of the waterway 'EXTORTION.' Any ships targeting the U.S. naval blockade would be 'immediately ELIMINATED.'" — Posted on Truth Social following the collapse of ceasefire negotiations in Islamabad, Pakistan, announcing unilateral military action in international waters