Sunan an-Nasa'i

Sunan an-Nasa'i 4111

Fighting Muslims
The Book of Fighting [The Prohibition of Bloodshed] Search within the hadiths
Sunan an-Nasa'i 4111
Arabic hadith text
أَخْبَرَنَا مَحْمُودُ بْنُ غَيْلاَنَ، قَالَ حَدَّثَنَا مُعَاوِيَةُ، قَالَ حَدَّثَنَا سُفْيَانُ، عَنْ مَنْصُورٍ، عَنْ أَبِي وَائِلٍ، عَنْ عَبْدِ اللَّهِ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏"‏ سِبَابُ الْمُسْلِمِ فُسُوقٌ وَقِتَالُهُ كُفْرٌ ‏"
Translation
It was narrated that 'Abdullah said

"The Messenger of Allah [SAW] said: 'Defaming a Muslim is evildoing and fighting him is Kufr.'"