Sa'id bin Jubair (RAA) narrated, 'The Messenger of Allah (ﷺ) killed three men on the day of Badr while they were in bonds (by throwing arrows at them until they died).' Related by Abu Dawud. (FR)
English reference (FR): Book 11, Hadith 1323 (FR)
Arabic reference (FR): Book 11, Hadith 1297 (FR)