Hadith 1854
Another version of the tradition narrated on the same authority attributes the same words to the Messenger of Allah (ﷺ) except that it replaces kariha with ankhara and vice versa.
Hadith 2888
Ahnaf bin Qais reported on the authority of Abu Bakr (RA) that Allah's Messenger (ﷺ) said: When two Muslims confront each other with their swords, both the slayer and the slain are doomed to Hell-Fire.