the very person who was the Commander of the Iraqi army on...
the very person who was the Commander of the Iraqi army on the day of Ashura and one of the killers of the Imam was at one time the mu'azzin of Sajah and he accepted this office when he claimed to be a prophet in the tribe of Bani Tamim. However, when Sajah was disgraced he embraced Islam. He had also a hand in the murder of Uthman. Then he became one of the followers of Ali. Later he revolted against Ali, became one of his opponents and joined the Khawarij.
After some time he left the Khawarij also and went in seclusion. In 61 A.H. he participated in killing Imam Husayn and his companions with great savagery. Afterwards when Mukhtar bin Abi Ubayd Thaqafi rose to avenge the murder of Imam Husayn, he (Shabath) who himself was one of the murderers of the Imam joined Mukhtar as an avenger of the Imam's murder. Later he became the chief of Kufa police. He had a hand also in the murder of Mukhtar bin Abi Ubayd. He died in about 80 A.H.
How can those persons who do not have the least moral sense benefit from the celestial spirit of Husayn bin Ali and how can their untalented and corrupt souls receive any reflection of the sublime soul of the infallible Imam. The Imam continued his address till he said: "By Allah I will not swear allegiance to these people like weak and mean persons and will not flee the battlefield like slaves while fighting against the rascals.
I seek refuge in Allah from the mischief of you people and of every arrogant person who does not believe in the Day of Judgment". In the meantime the preliminaries of the battle began to take place gradually. Umar bin Sad drew his bow, shot an arrow towards the companions of Imam Husayn and said: "You should bear witness before Ibn Ziyad (the governor) that I have started the battle earlier than everyone else". Severe fighting continued till about noon.
Most of the companions of the Imam were killed. The Imam offered the noon prayers along with his surviving companions in the form of emergency prayer (Salatul Khawf) i.e. he offered two rakats. The fighting continued after the prayers till all the young men of Bani Hashim were killed. They met martyrdom one after the other. Even young children and sucklings had also the honor of being martyred.
Gradually the moment arrived which changed the course of the history of Islam and recorded the honor of martyrdom for them in the pages of history. It is definitely so and there is no tragedy like the tragedy of Imam Husayn.