Afflictions and the End of the World

Narrated Anas bin Malik:The Prophet (ﷺ) said, "Ad-Dajjal will come to Medina and find the angels guarding it. So Allah willing, neither Ad-Dajjal, nor plague will be able to come near it

Narrated Zainab bint Jahsh:That one day Allah's Messenger (ﷺ) entered upon her in a state of fear and said, "None has the right to be worshipped but Allah! Woe to the Arabs from the Great evil that has approached (them)....

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)