(32) باب النَّهْىِ عَنْ ضَرْبِ الْوَجْهِ،
Abu Huraira reported Allah's Messenger (ﷺ) as saying:
When any one of you fights with his brother, he should not slap at the face.
Reference: Sahih Muslim 2612 d
In-book reference: Book 45, Hadith 151
USC-MSA web (English) reference(deprecated numbering scheme): Book 32, Hadith 6324