Sahih Muslim 3358
صحيح مسلم#3358SahihAbu Huraira (Allah be pleased with him) reported that Abul-Qasim (Muhammad, may peace be upon him) said:He who intends to do harm to the people of this city (that is, Medina), Allah would efface him as salt is dissolved in water
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: 15:562