[3] Ali Abu-Hassun was put in place as Sultan of Fez and a vassal of the Ottomans supported by the Janissaries and an Algerian army.

[3] Ali Abu Hassun soon paid off the Algerian troops, and gave them the base of Peñon de Velez, which the Moroccans had reconquered from Spain in 1522.

[3] Upon withdrawal, Salah Reis assured the Saadi ruler that he would grant his enemy Ali Abu Hassun no further assistance.

[4] Ali Abu Hassun was vanquished and killed by the Saadians at the Battle of Tadla in September 1554 thus bringing an end to the Wattasid dynasty.

[3][5] The Ottomans reacted by having Mohammed ash-Sheik killed in 1557 by an assassin named Sahil, who brandished an axe and decapitated the Saadi ruler.