South Africans participating in election African National Congress hoping to win . Opposition parties hoping to slash ANC 's parliamentary majority . Poverty , rising crime among top criminals South Africans face . Controversial Jacob Marley expected to become president .
South Africans vote in election African National Congress expected to win . Opposition parties hoping to slash ANC 's parliamentary majority . Poverty , rising crime among top issues South Africans face . Controversial Jacob Zuma expected to become president .