(27) باب قِتَالِ الْمُسْلِمِ
It was narrated that 'Abdullah said:
"Fighting a believer is Kufr and defaming him is evildoing." (JA)
Reference (JA): Sunan an-Nasa'i 4113 (JA)
In-book reference (JA): Book 37, Hadith 148 (JA)
English translation (JA): Vol. 5, Book 37, Hadith 4118 (JA)