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Members of the South African Communist Party (SACP) and attendees of the Memorial of the late anti-apartheid activist Ahmed Kathrada protest outside the Johannesburg City Hall as they call for President of South Africa Jacob Zuma to step down on April 1, 2017 in Johannesburg. The Ahmed Kathrada Foundation holds a memorial service for the anti-apartheid stalwart, after the government called off a planned event to commemorate him. The event comes days after President Jacob Zuma's shock sacking of finance minister Pravin Gordhan in a cabinet purge that has plunged the ruling ANC into chaos. / AFP PHOTO / GULSHAN KHAN (Photo credit should read GULSHAN KHAN/AFP via Getty Images)

Members of the South African Communist Party (SACP) and attendees of the Memorial of the late anti-apartheid activist Ahmed Kathrada protest outside the Johannesburg City Hall as they call for President of South Africa Jacob Zuma to step down on April 1, 2017 in Johannesburg. The Ahmed Kathrada Foundation holds a memorial service for the anti-apartheid stalwart, after the government called off a planned event to commemorate him. The event comes days after President Jacob Zuma's shock sacking of finance minister Pravin Gordhan in a cabinet purge that has plunged the ruling ANC into chaos. / AFP PHOTO / GULSHAN KHAN (Photo credit should read GULSHAN KHAN/AFP via Getty Images)
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South African President of the Economic Freedom Fighters (EFF), Julius Malema (C) talks to the press as he leaves the constitutional court after filling an application in a bid to force the speaker of Parliament to institute impeachment or disciplinary proceedings against President Jacob Zuma for matters related to the Nkandla scandal on March 30, 2017 in Johannesburg, South Africa. / AFP PHOTO / GIANLUIGI GUERCIA (Photo credit should read GIANLUIGI GUERCIA/AFP via Getty Images)

South African President of the Economic Freedom Fighters (EFF), Julius Malema (C) talks to the press as he leaves the constitutional court after filling an application in a bid to force the speaker of Parliament to institute impeachment or disciplinary proceedings against President Jacob Zuma for matters related to the Nkandla scandal on March 30, 2017 in Johannesburg, South Africa. / AFP PHOTO / GIANLUIGI GUERCIA (Photo credit should read GIANLUIGI GUERCIA/AFP via Getty Images)
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South African President Jacob Zuma gestures during the launch of the Westgate Social Housing Project, a large housing project undertaken by the South African government, on April 1, 2017 in Pietermaritzburg, South Africa. - Zuma ousted Finance Minister Pravin Gordhan on March 31 in a cabinet purge that has plunged the ruling ANC into chaos (Photo by RAJESH JANTILAL / AFP) (Photo by RAJESH JANTILAL/AFP via Getty Images)

South African President Jacob Zuma gestures during the launch of the Westgate Social Housing Project, a large housing project undertaken by the South African government, on April 1, 2017 in Pietermaritzburg, South Africa. - Zuma ousted Finance Minister Pravin Gordhan on March 31 in a cabinet purge that has plunged the ruling ANC into chaos (Photo by RAJESH JANTILAL / AFP) (Photo by RAJESH JANTILAL/AFP via Getty Images)
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(l-R) Former Deputy President Kgalema Motlante greets African National Congress Secretary General Gwede Mantashe at the funeral of of Anti-apartheid stalwart Ahmed Kathrada on March 29, 2017 in Johannesburg, South Africa. The funeral of celebrated South African anti-apartheid activist Ahmed Kathrada was transformed into a rally against President Jacob Zuma, who had been barred from the event. The family of the African National Congress (ANC) stalwart, one of Nelson Mandela's closest colleagues in the struggle against white minority rule who died on Tuesday aged 87, had asked Zuma to stay away. / AFP PHOTO / GULSHAN KHAN (Photo credit should read GULSHAN KHAN/AFP via Getty Images)

(l-R) Former Deputy President Kgalema Motlante greets African National Congress Secretary General Gwede Mantashe at the funeral of of Anti-apartheid stalwart Ahmed Kathrada on March 29, 2017 in Johannesburg, South Africa. The funeral of celebrated South African anti-apartheid activist Ahmed Kathrada was transformed into a rally against President Jacob Zuma, who had been barred from the event. The family of the African National Congress (ANC) stalwart, one of Nelson Mandela's closest colleagues in the struggle against white minority rule who died on Tuesday aged 87, had asked Zuma to stay away. / AFP PHOTO / GULSHAN KHAN (Photo credit should read GULSHAN KHAN/AFP via Getty Images)
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(From L to R) South African ruling party African National Congress (NAC) and National Executive Committee (NEC) members, Jessie Duarte, Secretary General Gwede Mantashe, National Assembly Speaker Baleka Mbetes, South African President Jacob Zuma, South African Deputy President Cyril Ramaphosa and ANC Treasury General Zweli Mkhize attend ordinary meeting on March 18, 2016 at the St. Georges Hotel, in Centurion, South Africa. - The ruling African National Congress (ANC), which led the struggle to end apartheid, began a three-day meeting of its national executive committee (NEC) on March 18 near Pretoria where the Gupta controversy is likely to dominate because of their growing influence. (Photo by MUJAHID SAFODIEN / AFP) (Photo by MUJAHID SAFODIEN/AFP via Getty Images)

(From L to R) South African ruling party African National Congress (NAC) and National Executive Committee (NEC) members, Jessie Duarte, Secretary General Gwede Mantashe, National Assembly Speaker Baleka Mbetes, South African President Jacob Zuma, South African Deputy President Cyril Ramaphosa and ANC Treasury General Zweli Mkhize attend ordinary meeting on March 18, 2016 at the St. Georges Hotel, in Centurion, South Africa. - The ruling African National Congress (ANC), which led the struggle to end apartheid, began a three-day meeting of its national executive committee (NEC) on March 18 near Pretoria where the Gupta controversy is likely to dominate because of their growing influence. (Photo by MUJAHID SAFODIEN / AFP) (Photo by MUJAHID SAFODIEN/AFP via Getty Images)
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AFP MUJAHID SAFODIEN