Iran says it struck an oil tanker trying to transit the Strait of Hormuz, while hundreds of thousands of people rallied in Tehran.

Iran says it struck an oil tanker trying to transit the Strait of Hormuz, while hundreds of thousands of people rallied in Tehran.

South Korea says it is considering expanding a naval operation in the Gulf of Aden to protect its ships and oil-shipping routes, but it will not send troops to intervene in the Iran war.

Iran's Revolutionary Guards have said they struck an oil tanker in the Strait of Hormuz, according to state news agency IRNA, as a British maritime agency also reported an attack.

Iran says it struck an unmanned U.S. vessel trying to enter the Strait of Hormuz, the latest salvo in a new flare-up of fighting between the two countries.