Yazid sent a message to his representatives and governors to take the oath of becoming Caliph. Yazid sends a letter to Madina to Waleed Ibn Utbah, commanding for the people of Madina to give allegiance to him.
Imam Hussain (as) met Marwan in regards to the letter alongside 30 members of his family. It was told that Yazid is to rule and become the new caliph despite the agreed peace treaty Mu’awiya had with Imam Hasan (as).
Imam Hussain responds “Such a personality like me should not take the oath of allegiance in private, and you should not consider it. And, as you will invite all inhabitants of Madina to renew their allegiance, we would, if consider right, participate and may take an oath of allegiance together with other Muslims. In other words, this allegiance would not be for the sake of Allah, but for the people’s attention, hence it must be made in public, not in private.”
Marwan Ibn Al-Hakam tells Al-Waleed to not let Imam Hussain (as) leave without him agreeing to this and if Hussain (as) does not agree, there will not be another opportunity without shedding much blood.
Imam Hussain (as): “do you threaten me with death? by God you have lied and committed a sin, I am from the household of purity and chastity, I am from the household from the Prophet (pbuh) in which the angels come and visit. With us Allah started and with us Allah will finish and Yazid is an individual who is an open sinner, who kills innocent souls. A person like me can never give allegiance to a person like him”