Sahih Muslim 2460
صحيح مسلم#2460SahihIt was narrated from Abu Sa'eed Al-Khudri that the Messenger of Allah (ﷺ) said:"A group will secede at a time of division among the people, and they will be killed by the group that is closer to the truth
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 12:197