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PRETORIA, SOUTH AFRICA - OCTOBER 23: Students wait near the Prime Ministry building as they shout slogans and hold banners during a protest against the increase of tuition fees at South African Universities in Pretoria, South Africa on October 23, 2015. Demonstrations against increase of tuition fees in Witwatersrand University spread varied universities last week. (Photo by Ihsaan Haffejee/Anadolu Agency/Getty Images)

PRETORIA, SOUTH AFRICA - OCTOBER 23: Students wait near the Prime Ministry building as they shout slogans and hold banners during a protest against the increase of tuition fees at South African Universities in Pretoria, South Africa on October 23, 2015. Demonstrations against increase of tuition fees in Witwatersrand University spread varied universities last week. (Photo by Ihsaan Haffejee/Anadolu Agency/Getty Images)