Iranian demonstrators hold posters of slain Hezbollah leader Hassan Nasrallah, center, late leader of Hamas, Yahya Sinwar, who was killed in a battle with Israel, bottom left, and Iranian Supreme Leader Ayatollah Ali Khamenei, top right, in a ceremony commemorating Sinwar and Hashem Safieddine, a powerful cleric who was expected to succeed Hassan Nasrallah and was killed by an Israeli airstrike in Beirut, at the Felestin (Palestine) Sq. in Tehran, Iran, Thursday, Oct. 24, 2024. (AP Photo/Vahid Salemi)