Human rights organisations have reported cases of revenge killings and abductions of alleged pro-Gadaffi supporters and interim government forces in Libya.
The ruling National Transitional Council says it is trying to pursuade fighters not to take the law into their own hands.
But after seven months of violence and unrest, 42 years of oppression by Gaddafi, it is difficult for the resulting hatred to disappear overnight.
Al Jazeera's Tony Birtley reports from Sabha.
Source: Al Jazeera