It is narrated from Sayyiduna Thawban (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) said: "I fear misguided leaders (rulers) for my Ummah."
´Thawban narrated that the Messenger of Allah(s.a.w) said:` "I only fear for my Ummah from the misguiding A'immah." He said that the Messenger of Allah(s.a.w) said: "There will never cease to be a group from my Ummah manifest upon the truth, they will not be harmed by those who forsake them until Allah's Decree comes."
Shaykh Dr. Abdur Rahman Freywai
Explanation: 1: That is, these rulers will be such that they will be proponents of innovation (bid‘ah) and immorality (fisq wa fujur).
Source: Sunan al-Tirmidhi – Majlis ‘Ilmi Dar al-Da‘wah, New Delhi Edition, Page: 2229