Sayyiduna Ma'qil bin Yasar (may Allah be pleased with him) said: I heard the Messenger of Allah (peace and blessings be upon him) say: "There is no ruler appointed over a people, whether few or many, who then does not act justly among them, except that Allah Almighty will throw him into the Fire."
Hadith Referenceالمعجم الكبير للطبراني / باب الميم / 17652