Iran says Strait of Hormuz blockade remains, bars all ships

Iran announced on April 21 that it has blockaded the Strait of Hormuz after the U.S. violated a ceasefire agreement, placing all navigation under the strict control of the Iranian Islamic Revolutionary Guard Corps (IRGC) Navy. Tehran stressed that no vessels will be allowed to pass through the strait until it receives guarantees that the maritime blockade against Iran is fully lifted. The passage of warships is also prohibited.