Musannaf Ibn Abi Shaybah 29509 — A man killed by a group

Nafi' said that Sayyiduna Ibn Umar (may Allah be pleased with him) said that Sayyiduna Umar bin al-Khattab (may Allah be pleased with him) killed seven inhabitants of the city of San'a in retaliation for one man and said: If all the inhabitants of the city of San'a had taken part in killing him, I would have killed them all.