(28) باب يَأْجُوجَ وَمَأْجُوجَ
Narrated Abu Huraira:
The Prophet (ﷺ) said, "A hole has been opened in the dam of Gog and Magog." Wuhaib (the sub-narrator) made the number 90 (with his index finger and thumb).
Reference: Sahih al-Bukhari 7136
In-book reference: Book 92, Hadith 83
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 9, Book 88, Hadith 250