TEHRAN, IRAN - SEPTEMBER 06: (----EDITORIAL USE ONLY – MANDATORY CREDIT - 'IRANIAN SUPREME LEADER PRESS OFFICE / HANDOUT' - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Iranian Supreme Leader Ali Khamenei attends a ceremony at Imam Khomeini Husseinya to commemorate Arbaeen, in Tehran, Iran on September 06, 2023. Arbaeen marks the 40th day after Ashura, commemorating the tragic event of Karbala, when Hussain, the grandson of Islam's Prophet Muhammad, and 72 people along with him were killed. Iran's Supreme Leader Press Office / Handout / Anadolu Agency/ABACAPRESS.COM