A suicide bombing incident occurred on December 14, 2010, by two suicide bombers, who blew themselves up in a crowded Shia Muslim mourning procession in the southeastern Iranian coastal city of Chabahar, outside Imam Husain Mosque. It took place on the day of Tasu'a, when Shiite Muslims gathered to commemorate the martyrdom of Husayn ibn Ali, the grandson of Muhammad through his daughter Fatimah and his successor Ali ibn Abi Talib. It killed 39 people.