The Iranian effort to formalize control over the channel raised new concerns about international shipping, with hundreds of commercial ships bottled up in the Persian Gulf and unable to reach the o...

Iran has introduced a formal approval system for ships crossing the Strait of Hormuz amid its standoff with the United States. The move tightens Tehran's control over a vital energy route as attacks, counter-blockades and truce talks continue.

Trump has threatened Iran with an intensified bombing campaign as 1,500 ships remain trapped by the blockade.