South African President Cyril Ramaphosa, a former anti-apartheid activist and freedom fighter, responded to Trump's claims at their meeting in the Oval Office diplomatically, countering Trump's assertions.
In a televised statement he said he was quitting with immediate effect but said he disagreed with his African National Congress party's decision.
South Africa is heading for polls on May 7. Shubha Singh examines how the Indian vote can make a difference in Durban