Sunan An Nasai 4118

It was narrated that Abu Hurairah said: The Messenger of Allah [SAW] said: 'Whoever parts from obedience, and splits away from the Jama'ah and dies, then he has died a death of Jahiliyyah. Whoever rebels against my Ummah, killing good and evil..

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.' ..

It was narrated that Abu Bakrah said: The Messenger of Allah [SAW] said: 'If a Muslim points a weapon at his fellow Muslim, then they are on the brink of Hell, and if he kills him, then they will both fall into it.' ..

It was narrated that Abu Bakrah said: If two Muslim men bear weapons against each other, then they are both on the brink of Hell. And if one of them kills the other, they will both be in Hell. ..

It was narrated from Abu Musa that: The Prophet [SAW] said: If two Muslims confront each other with swords, and one kills the other, they will both be in Hell. It was said: O Messenger of Allah, (we understand about) the killer, but what about..

It was narrated from Abu Musa Al-Ash'ari that: The Prophet [SAW] said: If two Muslims confront each other with swords and one of them kills the other, they will both be in Hell. ..