Narrated Abu Sa'eed Al-Khudri:
"On the Day of Awtas, we captured some women who had husbands among the idolaters. So some of the men disliked that, so Allah, Most High, revealed: And women already married, except those whom your right hands possess... (4:24)" (IT)
English reference (IT): Vol. 5, Book 44, Hadith 3016 (IT)
Arabic reference (IT): Book 47, Hadith 3289 (IT)