Ambassador Huckabee says the US embassy in Israel can't help Americans leave as the State Department urges evacuation from 14 countries.

Israel stepped up airstrikes on Iranian missile launchers and factories, and Iran retaliated against Israel and across the Gulf region, disrupting energy supplies and travel.

Israeli ground forces enter southern Lebanon after Iranian-backed Hizbullah fire rockets and launch drones in retaliation

The death occurred after a joint U.S. and Israeli aerial bombardment that targeted Iranian military and governmental sites.

President Donald Trump said on Tuesday he ordered US forces to join Israel's attack on Iran because he believed Iran was about to strike the US. Meanwhile, the body of Khamenei will reportedly be buried in the city of Mashhad in northeastern Iran following a funeral.

The Pentagon's policy chief on Tuesday distanced the United States from the death of Iran's Supreme Leader Ayatollah Ali Khamenei, saying he was killed by an Israeli strike.Testifying before the Senate Armed Services Committee,

U.S. allies and adversaries responded to the joint attacks by the U.S. and Israel on Iran with concern over the risks of a new war in the Middle East.

President Trump denied Israel "forced" the United States into a joint attack against Iran on Tuesday — and said if anything, it was the other way around.

The United States has warned that the conflict with Iran is set to intensify, with Secretary of State Marco Rubio saying the “hardest hits are yet to come.” As military operations escalate, the State Department has issued an urgent advisory asking American citizens to leave countries across the Middle East immediately due to serious safety risks.