A prisoner was brought to Husayn bin Numayr Sakuni (may Allah be pleased with him) in the land of Rome while he was eating. The prisoner ate a piece of meat with him at the meal, so Husayn said: "How can we kill him while our food is still between his teeth?" So he was released.
Hadith Referenceسنن سعید بن منصور / كتاب الجهاد / 3848