REPUBLIKA.CO.ID. -- The death of the Prophet Muhammad's grandson, Imam al-Husain, leaves so many questions. One of them, who is most responsible for the killing of this Prophet Muhammad 's grandson? 

In the land of Karbala, Iraq, the Prophet Muhammad's favorite grandson was killed along with most of Ahlul Bait's youth.

They died at the hands of the troops of Ubaidullah bin Ziyad, the governor of Kufa and Basrah, who was appointed by Yazid bin Mu'awiyah. 

The tragedy of the murder of al-Husain shook the Islamic community at that time, and continues to overshadow the lives of future generations.