A woman casts her ballot during elections in Nyanga township on the outskirts of Cape Town, South Africa, Wednesday, May 7, 2014 (Photo: AP)

A voter receives ballot papers from election official in Johannesburg's Soweto township, May 7, 2014 (Photo: Reuters)

An election official assists a woman as voters queue to cast their ballots in Bekkersdal near Johannesburg, May 7, 2014 (Photo: Reuters)

Winnie Madikizela-Mandela, centre, the former wife of late South African leader Nelson Mandela, casts her vote at a polling station near his old house in the Soweto township of Johannesburg, South Africa, Wednesday, May 7, 2014 (Photo: AP)

A wheelchair-bound South African woman casts her vote at a polling station near the house of the late former President Nelson Mandela, in the Soweto township of Johannesburg, South Africa Wednesday, May 7, 2014 (Photo: AP)

South Africans queue to vote before dawn at a polling station that was burned down overnight, but a tent was erected to enable voting in the morning, in the politically-sensitive mining town of Bekkersdal, South Africa, Wednesday, May 7, 2014 (Photo: AP)

Archbishop Desmond Tutu (C) speaks to the media as he arrives to cast his vote during the South African Elections in Cape Town, May 7, 2014 (Photo: Reuters)

Archbishop Desmond Tutu hands over his Identity Card to an IEC (Independent Electoral Commission) official during the South African elections in Cape Town May 7, 2014 (Photo: Reuters)

Archbishop Desmond Tutu hands over his Identity Card to an IEC (Independent Electoral Commission) official during the South African elections in Cape Town May 7, 2014 (Photo: Reuters)

People wait in a queue to cast their votes at a voting station in Manenberg, Cape Town May 7, 2014 (Photo: Reuters)