He said incidents of protest affected voting stations in areas including Mahikeng and Marikana in North West ; Malamulelele , Musina , Mogalakwena , and Northhampton , in Limpopo ; Bushbuckridge in Mpumalanaga ; Khayelitsha in the Western Cape ; Denver , George Koch , and Orange Farm in Gauteng ; Ethekwini and Jozini in KwaZulu-Natal ; Nelson Mandela Bay , Butterworth , and OR Tambo in the Eastern Cape ; Pampierstad in the Northern Cape ; and Maluti-a-Phofung in the Free State .