It is narrated from Sayyidna Ali bin Umayyah and Salamah bin Umayyah (may Allah be pleased with them), they say: We set out with the Messenger of Allah (peace and blessings be upon him) in the expedition of Tabuk. There was another companion with us. He and another Muslim got into a fight. That man bit the other's arm, so he pulled his hand out of his mouth and his front tooth fell out. That man went to the Noble Prophet (peace and blessings be upon him) and demanded blood money. The Prophet (peace and blessings be upon him) said: One of you bites his brother like a bull and then comes to demand blood money? There is no blood money for this. The Prophet (peace and blessings be upon him) declared his claim for blood money invalid.