He is the son of assassinated Supreme Leader Ayatollah Ali Khamenei.
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 by airstrikes in Tehran on the first day of strikes. His successor is yet to be named.
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.)
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A near-total internet blackout in Iran entered its 10th day on Monday, with connectivity at about 1% of its normal level, according to NetBlocks, a web tracker.
"As regional hostilities intensify, some 90 million Iranians are silenced and cut off from the global internet under a state-imposed shutdown," the tracker said on social media on Monday.
The Israeli military said it would "operate with force" on Monday against what it described as Hezbollah-related targets in Beirut's southern suburbs, saying it was issuing a warning for residents in the area to evacuate.
"In the coming hours, the Israel Defense Forces will operate with force against the terrorist infrastructure of Al-Qard al-Hasan Association, which constitutes a central element in financing Hezbollah's terrorist activities and harms the Lebanese economy in service of Iranian interests," Avichay Adraee, a spokesperson for the Isreal Defense Forces, said in Arabic on social media.
Iran on Monday launched missiles toward Israel, which the country’s defenses were working to intercept, the Israel Defense Forces said.
"The IDF has identified that missiles were launched from Iran toward the territory of the State of Israel a short while ago," the IDF said. "Defense systems are operating to intercept the threat."
Iranian missiles and drones were targeting the United Arab Emirates on Monday, the country’s Ministry of Defense said.
"UAE air defences are currently responding to incoming missile and drone threats from Iran," the ministry said on social media. "MOD asserts that the sounds heard are the result of the Air Defence."
