(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 4105 (IT)
In-book reference (IT): Book 37, Hadith 140 (IT)
English translation (IT): Vol. 5, Book 37, Hadith 4110 (IT)