Musannaf Ibn Abi Shayba 18:950

Abu Bakr narrated to us, he said: Muhammad ibn Bishr narrated to us, he said: Sa'id narrated to us, from Matar, from 'Ata', from 'Ubayd ibn 'Umayr, that 'Umar and 'Ali said: "Whoever is killed as a legal retaliation (qisas), there is no blood money (diyah) for him."