The Book of Prayers (Kitab Al-Salat)
Muslim :: Book 4 : Hadith 1440
Anas b. Malik reported that the Messenger of Allah (may peace be upon him) observed Qunut for one month Invoking curse upon Ri'l, Dhakwan, 'Usayya. those who disobeyed Allah and His Messenger (may peace be upon him).
Source materials are from the University of Southern California MSA site|
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