(28) باب التَّغْلِيظِ فِيمَنْ قَاتَلَ تَحْتَ رَايَةٍ عُمِّيَّةٍ
It was narrated that Jundab bin 'Abdullah said:
"The Messenger of Allah [SAW] said: 'Whoever fights for a cause that is not clear, advocating tribalism, getting angry for the sake of tribalism, then he has died a death of Jahiliyyah.'" (ES)
Reference (ES): Sunan an-Nasa'i 4115 (ES)
In-book reference (ES): Book 37, Hadith 150 (ES)
English translation (ES): Vol. 5, Book 37, Hadith 4120 (ES)