(1) باب اقْتِرَابِ الْفِتَنِ وَفَتْحِ رَدْمِ يَأْجُوجَ وَمَأْجُوجَ
Abu Huraira reported Allah's Apostle (ﷺ) as saying:
Today the wall (barrier) of Gog and Magog has been opened so much, and Wuhaib (in order to explain it) made the figure of ninety with the help of his hand.
Reference: Sahih Muslim 2881
In-book reference: Book 54, Hadith 5
USC-MSA web (English) reference(deprecated numbering scheme): Book 41, Hadith 6885