Shiavault - a Vault of Shia Islamic Books Misbah-uz-Zulam, Roots of the Karbala’ Tragedy Yazeed’s Side Yazeed Ibn Muawiyah, the ruling Caliph. Ibn Ziyad, son of Ziyad who was made a brother by Muawiyah. At the time of the tragedy of Karbala’, Ibn Ziyad was the governor of Yazeed in Kufa. Umar Ibn Saad, Commander-in-Chief of Yazeed’s army. Shimr, who mounted the chest of Imam (a.s.). Khuli, who beheaded Imam Husayn (a.s.). Hurmala, who martyred Ali Asghar by shooting an arrow at him. Naufal.