The students reportedly clashed violently with police over the incident with many wounded.
In a report by Reuters, police fired stun grenades, rubber bullets and teargas at hundreds of students who marched through the university's campus in Johannesburg, performing the "toyi-toyi" protest dance made popular during the struggle against oppressive white rule.
"I am not sure free education is feasible. And I am worried about attacks on other students. It's inflicting fear in other students. It's not right," said one final year law student, who was not taking part in the protest but did not want to give his name.
This is not the first time the students have protested over the cost of university education. Just last year, the students clashed with university authorities forcing the government to freeze fee increases and set up a commission to look into the education funding system.
The unrest boiled over again, closing some classes and universities, when the commission said on Sept. 19 that fees would continue to rise, albeit with an 8 percent cap in 2017.