Police said Monday that 25 people died in black factional fighting as President F.W. de Klerk and African National Congress leader Nelson Mandela continued efforts to end political unrest.

Police reported scattered clashes over the weekend, with the worst violence in the Johannesburg black township of Tokoza, where 13 people were killed.Eleven men were hacked and shot to death in the township, another man was "necklaced" with a burning tire and a 6-year-old girl was gunned down, police said. Dozens of people died in Tokoza last week in clashes.