Bismillah Walhamdulillah Was Salaatu Was Salaam 'ala Rasulillah
As-Salaam Alaikum Wa-Rahmatullahi Wa-Barakatuhu
Narrated by Abdullah(Radhiallaho anho):
Allah’s Messenger (sallallaahu 'alaihi wasallam) said, “He who slaps
the cheeks, tears the clothes and follows the tradition of the Days
of Ignorance is not from us.”
Sahih Al-Bukhari Vol. 2 : No. 384