What did the Messenger of Allah (saw) do for one month to invoke the curse of Allah upon Ri'l, Dhakwan, and 'Usayya?
 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).