The official channel of Ayatollah Sayyid Ali Khamenei, Iran's Supreme Leader Iran's Supreme Leader Ayatollah Ali Khamenei delivered a rare sermon in Tehran and praised the missile attack against Israel. CBS News' Elizabeth Palmer has more on Iran messaging strength behind Iran's Supreme Leader Ayatollah Ali Khamenei has said Iran and its regional allies will not back down against Israel and called for unity among Muslim nations as he delivered a rare Friday sermon. Video. Live. Audio. Weather. Ayatollah Ali Khamenei made the comments while speaking to students on Saturday ahead of the 45th anniversary of the 1979 seizure of the US embassy in Tehran. Israel launched another series of missile strikes against Iran-backed Hezbollah in Lebanon Friday as Iranian Supreme Leader Ayatollah Ali Khamenei delivered remarks in Tehran, Iran's capital. Born in the north-eastern city of Mashhad in 1939, the son of a religious scholar, Ali Khamenei studied at seminaries in his home city before moving to the Shia holy city of Qom. Ali Khamenei tried to spread the ayatollah's message inside the country. For this the shah's police arrested him six times. During the 1970s, Marxist groups were also trying to get rid of the shah. Iran's Supreme Leader Ayatollah Ali Khamenei has promised a "teeth-breaking" response to Israel and the United States after Israel targeted Iranian military sites in retaliatory strikes late Iran's Supreme Leader Ayatollah Ali Khamenei is expected to lead a commemoration service for slain Hezbollah leader Hassan Nasrallah as part of Friday prayers in Tehran, according to the semi FRANCE 24's Douglas Herbert discusses the significance of Iranian supreme leader, Ayatollah Ali Khamenei's rare Friday sermon, his first since his country's missile attack on Israel, and also