The death of Iran’s top national security official has ignited concern about the country’s future.
Airline executives said the war in Iran had raised fuel costs and, as a result, fares, but that had not yet hurt demand for tickets from individuals and businesses.
The large, plainclothes militia group is deeply embedded in Iranian society and has been used to crush dissent, often with brutal tactics.
Mr. Kent is the highest-ranking Trump administration official to quit in opposition to the conflict. He said pressure from Israel had pushed the president into war against Iran.
Israel said on Tuesday that it had killed two more high-ranking figures, including the man who had essentially been running Iran for weeks.
As Iran’s top national security official, Mr. Larijani had a reputation for acting as a bridge between hard-line figures in the armed forces and more moderate political factions.
One of Ayatollah Ali Khamenei’s closest confidants, Mr. Larijani emerged as the face of the government after Mr. Khamenei was killed.
European Union ministers and leaders pushed back on ideas to protect the strait, including expanding a maritime operation already in place in the Red Sea.
The ship was struck near an Emirati port, in the first such attack in five days. The United Arab Emirates also said it was intercepting Iranian drones and missiles.
Barraged by Iranian attacks and questioning the value of security ties with the United States, nations in the Gulf have turned to Ukraine, Australia and Italy for help.