Shia believers commemorate the tenth night of Muharram at the shrine of his brother, Abi Al-Fadl Al-Abbas, peace be upon him. Imam Hussain bin Ali bin Abi Talib—whose mother was Fatima Al-Zahra, the daughter of Muhammad, the Prophet of Islam—was martyred along with his family and companions while thirsty, after they were denied water. He was killed in the year 61 AH (680 AD) by the army of Yazid bin Muawiyah bin Abi Sufyan, the enemy of the Prophet and Islam