Sahih Muslim | Book 32 | Chapter 33

Narrated by Abu Huraira
Abu Huraira reported: Abu'l-Qasim (the kunya of Allah's Messenger, may peace be upon him), said: He who pointed a weapon towards his brother the angels invoke curse upon him even if he is his real brother so long as he does not abandon it (the pointing of weapon towards one's brother Muslim).

Narrated by Abu Huraira
Abu Huraira reported a hadith like this from Allah's Apostle (may peace be upon him) through another chain of transmitters.

Narrated by Abu Huraira
Abu Huraira reported a hadith from Allah's Messenger (may peace be upon him); (one of them was this) that Allah's Messenger (may peace be upon him) said: None amongst you should point a weapon towards his brother, for he does not know that Satan might cause the weapon (to slip) from his hand and (he may injure anyone) and thus he may fall into Hell-Fire.