The move was intended to ensure the flow of fuel in the United States, but some economists say it might reduce gas prices for consumers only a small amount.
A British naval agency said the two vessels had come under attack near the strait, as a U.S. blockade on Iran’s ports continued.
The energy industry is planning for a future where the choke point on Iran’s southern coast is a lot less important.
Marines are searching thousands of containers aboard the Touska, an Iranian cargo ship that the Navy disabled and seized on Sunday.
More than a dozen U.S. Navy warships are enforcing a blockade on all vessels from all nations entering or leaving coastal areas or ports in Iran.
The vessels exited the Strait of Hormuz on Monday, hours before a U.S. naval blockade took effect.
The Irish government said it had called in the army after protesters blocked highways, ports and an oil refinery, causing widespread disruption.
It is not clear who attacked the tanker, Stena Imperative. Its U.S. operator, Crowley, described “aerial impacts” and said that a fire on board was quickly extinguished.
Sultan Ahmed bin Sulayem was credited with turning DP World into a global logistics powerhouse. He was recently identified in correspondence with Jeffrey Epstein.