Iranians perform their evening prayers in a mourning ceremony in Tehran, Iran, Tuesday, June 23, 2026, prior to Ashoura, which commemorates the 7th-century martyrdom of Imam Hussein, one of Prophet Muhammad's grandsons and one of Shiite Islam's most beloved saints, and 72 of his companions, who were killed in a battle in Karbala in present-day Iraq. (AP Photo/Vahid Salemi)