357.Narrated Anas (Allah be pleased with him): Allah's Apostle (peace be upon him) said: "From among the potents of the Hour are (the following):

1.Religious knowledge will be taken away (by the death of religious learned men). 2. (Religious) ignorance will prevail. 3.Drinking of Alcoholic drinks (will be very common). 4.There will be prevalence of open illegal sexual intercourse.

(Sahih Al-Bukhari Vol 1).
(Dr. Muhammad Muhsin Khan et.al.).