Sahih Muslim Book 54, Hadith 5
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.
This hadith has been narrated on the authority of Zuhri with a different chain of transmitters.
Allah's Messenger, what about him who would be made to accompany this army willy nilly? Thereupon he said: He would be made to sink along with them but he would be raised on the Day of Resurrection on the basis of his intention. Abu Ja'far said. ' This plain, ground means the plain ground of Medina.