Both Sunni and Shia Muslims agree that al-Mahdi will arrive first, and after him, Isa. Isa will proclaim al-Mahdi as the Islamic community leader. A war will be fought—the Dajjal against al-Mahdi and Isa. This war will mark the approach of the coming of the Last Day. After Isa slays al-Dajjāl at the Gate of Lud, he will bear witness and reveal that Islam is indeed the true and last word from God to humanity as Yusuf Ali's translation reads: "And there is none of the People of the Book but must believe in him before his death; and on the Day of Judgment he will be a witness against them." A "hadith" in Sahih Bukhari says: