Which parties could South Africa’s ANC go into coalition with?

Collapse in support means ANC may not reach 50% vote share needed to rule alone. Which parties are contenders for coalition?

South Africa is facing the uncertain possibility of a coalition government after a collapse in support for the ruling African National Congress party in Wednesday's election meant it probably will not reach the 50% vote share needed for it to rule on its own. Here is a guide to the three main contenders for coalition partners: