‏الصلاة : Hadeeth No:1775 'Uqba b. 'Amir reported: The Messenger of Allaah (sallAllaahu alayhi wa sallam) said to me: There have been sent down to me verses the like of which had never been seen before. They are the Mu'awwadhatain....

‏فضائل الصحابة‏ : Hadeeth No:6078 This hadith has been reported on the authority of Shu'ba with the same chain of transmitters but with a slight variation of wording....