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