Before revision: The defection of the most senior commander was soon followed by other Tulunid officers, and when Harun ibn Khumarawayh was murdered by one of his own men, the regime collapsed into anarchy, and Muhammad entered Fustat without opposition.
After revision: TulunidThe defection of the most senior commander was soon followed by other Tulunid officers, and when Harun ibn Khumarawayh was murdered by one of his own men, the regime collapsed into anarchy, and Muhammad entered Fustat without opposition.