Less than a day after reopening, the Strait of Hormuz — a crucial waterway for oil exports out of the Persian Gulf — has once again been closed by Iran. CBS News' Shawna Mizelle reports.

Iran has reversed its decision to reopen the Strait of Hormuz and has warned that it would continue to block transit through the strait as long as the U.S. blockade of Iranian ports remained

Iran reversed its decision to reopen the Strait of Hormuz and warned that it would block transit through the strait as long as the U.S. blockades Iranian ports.

Iran's military says it is resuming its control of the Strait of Hormuz, according to Iranian state media. Release date: 18 April 2026

The Iranian regime said the Strait of Hormuz is under "full IRGC control," reversing course on reopening the strategic waterway crucial to global oil supply.

President Donald Trump said the U.S. forcibly seized an Iranian-flagged cargo ship that tried to get around a naval blockade near the Strait of Hormuz on Sunday, the first such interception since the blockade of Iranian ports began last week.

A top Iranian official raised hopes of a breakthrough when he said the Strait of Hormuz is “completely open,” while President Trump said a U.S. naval blockade on Iranian ports would remain in force.

Trump said US negotiators will be in Pakistan on Monday for talks with Iran, resuming negotiations after Iran reversed its decision to reopen the Strait of Hormuz. Iran had warned it would continue