There have been clashes outside a South African high school where people are protesting against alleged racism. Tear gas was used outside the Cape Town school.
The school management is accused of discriminating against Black students, as it allegedly held a graduation event attended by only white students and teachers.
The school denies the allegation and says the function was a private event.
Last week, the South African president called for calm after protests turned violent.
Dewa Mavhinga, the Southern Africa director at Human Rights Watch, talks to Al Jazeera.
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