Musannaf Ibn Abi Shaybah

Hazrat Ata disliked the killing of prisoners.

Hazrat Ata used to say: "Do not kill the prisoner."

Hazrat Hasan (may Allah be pleased with him) disliked the killing of prisoners.

It is narrated from Hazrat Abu Ja'far (may Allah be pleased with him) that on the day of the Battle of Siffin, whenever a prisoner was brought before Hazrat Ali (may Allah be pleased with him), he would confiscate his belongings and mount, take an oath from him not to fight again, and then release him.

It is narrated from Hazrat Abi Fakhta that my neighbor told me that on the day of the Battle of Siffin, I was captured and brought before Hazrat Ali (may Allah be pleased with him). Hazrat Ali (may Allah be pleased with him) said: I will not kill you; I fear Allah, the Lord of all the worlds.

It is narrated from Hasan that a prisoner was brought before Hajjaj. Hajjaj said to Abdullah bin Umar (may Allah be pleased with them), "Stand up and kill him." Ibn Umar (may Allah be pleased with them) said: "What have we been commanded to do? Allah the Exalted says: { حَتَّی إِذَا أَثْخَنْتُمُوہُمْ فَشُدُّوا الْوَثَاقَ فَإِمَّا مَنًّا بَعْدُ وَإِمَّا فِدَائً }."

It is narrated from Hasan that Ibn 'Amir sent a Persian prisoner to Hazrat Ibn 'Umar (may Allah be pleased with them both) so that he might kill him. Hazrat Ibn 'Umar (may Allah be pleased with them both) said: In any case, he is a bound prisoner, so he will not be killed.

It is narrated from Hazrat Sufyan that when prisoners were brought before Hazrat Umar ibn Khattab (may Allah be pleased with him), he set all of them free.

Ibrahim (may Allah be pleased with him) says that the Imam has complete authority regarding the prisoners; if he wishes, he may free them in exchange for ransom, or free them as a favor, or have them killed.

Hazrat Ja'far (may Allah be pleased with him) narrates from his father that Hazrat Ali (may Allah be pleased with him) on the day of Basra ordered the announcer to proclaim: The captive will not be killed.