Sahih al-Bukhari 3598
صحيح البخاري#3598SahihNarrated Zainab bint Jahsh:That the Prophet (ﷺ) came to her in a state of fear saying, "None has the right to be worshiped but Allah! Woe to the Arabs because of evil that has come near. Today a hole has been made in the wall of Gog and Magog as large as this." pointing with two of his fingers making a circle. Zainab said, "I said, 'O Allah's Messenger (ﷺ)! Shall we be destroyed though amongst us there are pious people? ' He said, 'Yes, if evil increases
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: 61:106