Shaykh Muhammad Nasir ud-Deen al-Albaanee clarifies the deviation of Hizb ut-Tahrir and the other sects who deviate away from the Methodology of the Salaf us-Saalih i.e. Salafiyyah (Qur’aan and Sunnah upon the understanding of the righteous predecessors). The Shaykh explains many sects/groups claim to follow the Qur’aan and Sunnah, however the only sect i.e. the saved sect are the ones who follow the salaf us-saalih in their understanding of the Qur’aan and Sunnah.
Taken from سلسلة الهدى والنور no.740