(27) باب قِتَالِ الْمُسْلِمِ
It was narrated from 'Abdur-Rahman bin 'Abdullah, from his father, that:
The Messenger of Allah [SAW] said: "Defaming a Muslim is evildoing and fighting him is Kufr." (JA)
Reference (JA): Sunan an-Nasa'i 4108 (JA)
In-book reference (JA): Book 37, Hadith 143 (JA)
English translation (JA): Vol. 5, Book 37, Hadith 4113 (JA)