Abu Dawud Book 30, Hadith Number 4242.
Chapter : Fitan and their predictions.
Narated By Abu Hurairah : The Apostle of Allah (PBUH) said: The time will become short, knowledge will be deceased, civil strife (fitan) will appear, niggardliness will be cast into the people’s hearts, and harj will be prevalent. He was asked: Apostle of Allah! What is it? He replied: Slaughter, slaughter.