(27) باب قِتَالِ الْمُسْلِمِ
It was narrated that 'Abdullah said:
"Defaming a Muslim is evildoing and fighting him is Kufr." (Sahih Mawquf) (IT)
Reference (IT): Sunan an-Nasa'i 4107 (IT)
In-book reference (IT): Book 37, Hadith 142 (IT)
English translation (IT): Vol. 5, Book 37, Hadith 4112 (IT)