In an apparent effort to break the impasse on the strait, Israel said it killed Commodore Alireza Tangsiri, the head of Iranian Revolutionary Guard’s navy.

Tensions rise as Iran solidifies control over the Strait of Hormuz while U.S. prepares combat forces amid faltering diplomacy.

Iran and the United States hardened their positions as a diplomatic push for a ceasefire in the Middle East war appeared to falter on Thursday.