The Pentagon and Middle Eastern countries say that most of the drones have been intercepted. But some have slipped through and caused damage.

Israel's military said it had begun a "broad wave of strikes" in Tehran Wednesday morning. U.S. officials touted early gains, while Democrats warned the war could widen.

More than 50,000 U.S. troops are participating in operations against the Islamic Republic, per the U.S. Central Command.

President Donald Trump announced "major combat operations" against Iran on Saturday, with daytime strikes in the joint U.S.-Israel attack targeting military and government sites, officials said. On Sunday, Iranian state television confirmed that Ayatollah Ali Khamenei was among those killed by airstrikes in Tehran on Saturday

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

U.S. military officials released the names of four American soldiers killed in the war with Iran as the State Department sought additional flights to get more than 1,000 U.S. citizens out of the Middle East as the war expands to neighboring countries,