Sahih Muslim
The Book Pertaining to the Turmoil and Portents of the Last Hour (Kitab Al-Fitan wa Ashrat As-Saah)
Book Number: 041 / Hadith Number: 6940
Salim b. Abdullah reported on the authority of his father that Allah's Messenger (may peace be upon him), while turning his face towards the east, said: The turmoil would appear from this side; verily, the turmoil would appear from this side; verily, the turmoil. would appear from this side-the side where appear the horns of Satan.