1558
Riyad us Saliheenوعن ابن مسعود رضي الله عنه قال: قال رسول الله صلى الله عليه وسلم : سباب المسلم فسوق، وقتاله كفر" ((متفق عليه))
Ibn Mas'ud (May Allah be pleased with him) reported:
The Messenger of Allah (ﷺ) said, "Reviling a Muslim is Fusuq (disobedience of Allah) and killing him is (tantamount to) disbelief."
[Al-Bukhari and Muslim].
[Al-Bukhari and Muslim].
Reference: Sunnah.com : Book 18, Hadith 49
Arabic/English book : Book 18, Hadith 1559
Arabic/English book : Book 18, Hadith 1559