Bulugh al-Maram
Book 11, Hadith 17
Arabic hadith text
وَفِي "اَلصَّحِيحَيْنِ" مِنْ حَدِيثٍ أَمِ هَانِئٍ: { قَدْ أَجَرْنَا مَنْ أَجَرْتِ" } 1.
1 - صحيح. وهو جزء من حديث رواه البخاري ( 3171 )، ومسلم ( ( 1 / 498 / رقم 82 ).
Translation
Samurah (RAA) narrated that The Messenger of Allah (ﷺ) said
“Kill the mature men of the polytheists but spare their children.” Related by Abu Dawud and At-Tirmidhi graded it as Sahih.