Sahih Muslim 3356
صحيح مسلم#3356SahihZaid b. Thabit reported Allah's Apostle (ﷺ) as saying:It is Taiba, thereby meaning Medina. It drives away impurity just as fire removes the impurity of silver
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: 15:560