Sahih Bukhari

Narrated Qais:I heard Abu Dhar swearing that the following Holy verse:-- ""These two opponents (believers and disbelievers) disputing with each other about their Lord,"" (22.19) was revealed concerning those men who fought on the day of Badr, namely, Hamza, `Ali, Ubaida bin Al-Harith, `Utba and Shaiba----the two sons of Rabi`a-- and Al-Walid bin `Utba