Abdullah bin Masud and Abu Musa Ashari reported,

The Prophet ﷺ said, "Before the Hour, there will come days in which ignorance will descend, knowledge will be lifted up, and harj will increase." Harj means killing.

Azami 15911

Sahih

عن عبد الله بن مسعود وأبي موسى الأشعري قالا قال

النبي ﷺ: إن بين يدي الساعة لأياما، ينزل فيها الجهل، ويرفع فيها العلم، ويكثر فيها الهرج، والهرج القتل.

الأعظمي 15911صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Tribulations and signs of the Hour
Chapter
Minor signs of the Hour
Section
Before the Hour, time will draw close, knowledge will be taken away, and ignorance, tribulations, lying, stinginess, adultery, riba, and drinking wine will appear, killing will increase, and markets will draw close
Numbering
Jami al-Kamil 15911 (2nd edition)
Azami 15911