"Jabir bin Abdullah said that I heard the Messenger of Allah saying...

"Jabir bin Abdullah said that I heard the Messenger of Allah saying: 'then will come down Jesus, son of Mary: the Imam of the Muslims will request him to come forward and lead the prayers, but he will say, No, you are the Leaders of one another, because of the honor given by Allah to this Ummah". (Muslim Bayanu Nuzule Isa bin Mariyam, Musnad Ahmad bin Hanbal, Marwiyyatu Jabir bin Abdullah).

"Jabir bin Abdullah said that Umar bin Khattab requested the Messenger of Allah to allow him to kill him (Ibn' Sayyad). But the Messenger of Allah replied that if this is he (i.e. Dajjal) then you are not the one to kill him; he will be killed by Jesus son of Mary only and if he is not that man then you have no right to kill a person who is protected by us. (Mishkat, Kitabul-Fitan, Babu Qissati ibn Sayyi'd, with reference of Sharhus-sunnah…