'Amro bin Shu'aib narrated on the authority of his father, on the authority of his grandfather (RAA) that the Messenger of Allah (ﷺ) said:
"The Diyah of the quasi-deliberate homicide is as severe as deliberate murder (in its being given in three types of camels), and the offender is not to be killed. This happens when the devil excites enmity between people causing them to shed blood but not due to hatred or carrying weapons in fighting." Related by Ad-Daraqutni and graded it as weak Hadith.
English reference: Book 9, Hadith 1227
Arabic reference: Book 9, Hadith 1198