Another description of this story comes from The Major Classes by ibn Sa'd al-Baghdadi:"Then occurred the "sariyyah" of Salim Ibn Umayr al-Amri against Abu Afak, the Jew, in [the month of Shawwal in the beginning of the twentieth month from the hijra, of the Apostle of Allah. Abu Afak, was from Banu Amr Ibn Awf, and was an old man who had attained the age of one hundred and twenty years. He was a Jew, and used to instigate the people against the Apostle of Allah, and composed (satirical) verses Muhammad.