Iranians Attend Tasu’a Mourning Ceremonies July, 15, 2024 - 16:06 TEHRAN (Tasnim) - Iranians have gathered for mourning ceremonies across the country to observe Tasu’a, the eve of Ashura, commemorating the martyrdom of Imam Hossein (AS), the third Shia Imam and grandson of Prophet Muhammad (PBUH). .