Yahya related to me from Malik from Hisham ibn Urwa that hisfather said, "The tribe is not obliged to pay blood-money forintentional murder. They pay blood-money for accidental killing." (TR)
USC-MSA web (English) reference: Book 43, Hadith 8 (TR)
Arabic reference (TR): Book 43, Hadith 1584 (TR)