Sayyiduna Muti' (may Allah be pleased with him) said: I heard the Messenger of Allah (peace and blessings be upon him), and then the narrator mentioned a hadith like it.
It is narrated from Sayyiduna Muti' bin al-Aswad (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said on the day of the Conquest of Makkah: "After this day of mine, it is not fitting that any Qurayshi be taken captive and killed without a fight."
Hadith Referenceالمعجم الكبير للطبراني / باب الميم / 17827