The Book Pertaining to the Turmoil and Portents of the Last Hour (Kitab Al-Fitan wa Ashrat As-Sa`ah)
Muslim :: Book 41 : Hadith 7040
Abu Huraira reported Allah's Messenger (may peace be upon him) as saying: Hasten in performing these good deeds (before these) six things (happen): (the appearance) of tribe Dijjal, the smoke, the beast of the earth, the rising of the sun from the west, the general turmoil (leadina to large-scale massacre) and death of masses and individuals.