10 S. African ministers , deputy president resign with President Mbeki . Replacement , Mbeki Deputy President Kgalema Motlanthe , sworn in September 2006 . Under it , longtime Zimbabwean leader Robert Mugabe remains president , while his perennial rival , Morgan Tsvangirai , has become prime minister and the coordinator of government affairs . ANC quit after court case collapsed against longtime rival Kgalema Motlanthe .
10 S. African ministers , deputy president resign with President Mbeki . Replacement , Mbeki Deputy President Kgalema Motlanthe , sworn in September 2006 . ANC quit after court case collapsed against longtime rival Kgalema Motlanthe .