Iran reimposed strict controls on the Strait of Hormuz hours after declaring it fully open, halting planned LNG shipments.
Iranian gunboats intercepted and fired on several commercial vessels, including a container ship and a tanker, without prior radio challenge.
The U.S. naval blockade of Iranian ports remains in force, prompting Tehran to deem the truce void and keep the strait closed.
LNG tankers loaded in Qatar were forced to reverse course or idle, worsening supply bottlenecks for Asian energy markets.