The leader of Africa's strongest economy is visiting one of the most crippled economies in the continent just next door.
South Africa's Jacob Zuma and Robert Mugabe, the president of Zimbabwe will meet in the next few hours.
Harare desperately needs more aid from its ally.
And South Africa needs its neighbour to resolve its political battles and stop the flow of millions of refugees over the border.
afrol News - Huge diamonds found in DRC : "A Canadian mineral exploration firm, Mexivada Mining Corp, has reported the discovery of two large diamonds in its 100% controlled Malambani Permis de Recherche concession, located near Mayoko in the Democratic Republic of Congo (DRC). Mexivada described the first stone as a white, modified octahedron 7.5 milimetres in diameter while the second stone was a shiny 6 milimetre greenish-white coloured dodecahedral diamond. Each of them weighs 0.1 gram"