Sahih al-Bukhari 3346
صحيح البخاري#3346SahihNarrated Zainab bint Jahsh:That the Prophet (ﷺ) once came to her in a state of fear and said, "None has the right to be worshipped but Allah. Woe unto the Arabs from a danger that has come near. An opening has been made in the wall of Gog and Magog like this," making a circle with his thumb and index finger. Zainab bint Jahsh said, "O Allah's Messenger (ﷺ)! Shall we be destroyed even though there are pious persons among us?" He said, "Yes, when the evil persons will increase
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 60:21