Sahih Bukhari
Sahih Bukhari Volume 005, Book 059, Hadith Number 341.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 59. Military Expeditions Led by the Prophet (PBUH) (Al-Maghaazi)
Narrated By Ibn Maqal: 'Ali led the funeral prayer of Sahl bin Hunaif and said, "He was one of the warriors of Badr."