DA leader Geordin Hill-Lewis has urged South Africans to reject violence and vigilantism ahead of planned anti-migrant protests, calling for immigration laws to be enforced by the state.
South Africa's governing African National Congress has taken back control of the main city, Johannesburg, after its candidate was elected mayor by a comfortable margin.
By early afternoon on Friday the Inkatha Freedom Party (IFP) had emerged as the official opposition to the African National Congress (ANC) in KwaZulu-Natal after being locked in a neck-to-neck battle earlier with the Democratic Alliance (DA).