Sahih Bukhari | Volume 9 | Hadith Number 183

Narrated by Abu Huraira
The Prophet said, "Time will pass rapidly, good deeds will decrease, miserliness will be thrown (in the hearts of the people) afflictions will appear and there will be much 'Al- Harj." They said, "O Allah's Apostle! What is "Al-Harj?" He said, "Killing! Killing!" (See Hadith No. 63, Vol. 8)