Trump told reporters that he is talking to countries about policing the Strait.
President Donald Trump announced "major combat operations" against Iran on Feb. 28, with massive joint U.S.-Israel strikes attack targeting military and government sites, officials said.
Iranian state television confirmed that Ayatollah Ali Khamenei was among those killed in Tehran on the first day of strikes. His son Mojtaba Khamenei was chosen on Sunday to succeed him.
Iran is responding to the operation with missile and drone attacks targeting Israel, regional U.S. bases and multiple Gulf nations. Israel is also intensifying its long-running strike campaign against the Iran-backed Hezbollah militia in Lebanon.
(Read previous Iran live updates here.)
Watch special coverage on Nightline, "War with Iran," each night on ABC and streaming on Disney+ and Hulu.
British Airways announced on Tuesday that it is canceling all of its flights to and from Amman, Jordan; Doha, Qatar; Dubai, UAE; Tel Aviv and Bahrain until later this month.
The airline cited "continuing uncertainty of the situation in the Middle East and airspace instability."
The airline also canceled all of its flights to Abu Dhabi until later this year.
A new Ipsos poll found that 43% of Americans disapprove of the U.S. strikes on Iran, while 29% approve of them. Another 26% are unsure.
The polling, which ran from March 6 to 9, found that 64% say that President Donald Trump has not explained the objectives of the war clearly.
As a result of the U.S. military action in Iran, 67% think gas prices will get worse over the next year, including 85% of Democrats, 73% of independents and 44% of Republicans, the polling found. Nearly half of the respondents think the conflict will have a mostly negative impact on their own personal financial situation.
Americans are also more likely to think U.S. military involvement in Iran will go on for an “extended period of time,” 60%, rather than “end pretty quickly in a matter of weeks,” 36%.
Nine Iranian drones were able to make it through air defenses in the United Arab Emirates on Tuesday, the UAE Ministry of Defense said in a post on X.
Twenty-six drones and eight ballistic missiles were intercepted on Tuesday, according to the ministry.
Gen. Dan Caine, chairman of the Joint Chiefs of Staff, said on Tuesday that while Iran was "adapting" during the conflict, Tehran's military was not “more formidable” than the U.S. had expected.
"I mean, I think they're fighting and I respect that, but I don't think they're more formidable than what we thought," he said.
