Al-Ya'qubi 1883, p. 497, ends his account of Muhammad's governorship here, claiming that he returned to Iraq after the people of al-Qayrawan opened their gates for Tammam Al-Ya'qubi, Ahmad ibn Abu Ya'qub (1883). Houtsma, M. Th. (ed.). Historiae, Vol. 2 (in Arabic). Leiden: E. J. Brill.