Sahih Bukhari
Sahih Bukhari Volume 002, Book 016, Hadith Number 117.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 16. Witr Prayer
Narated By Anas bin Malik : The Prophet recited Qunut for one month (in the Fajr prayer) asking Allah to punish the tribes of Ral and Dhakwan.