South African Police deploy teargas at the University of the Witwatersrand. Academics retreat during the three hours of running battles with demonstrating university students and the police.

Students fleeing a police charge and teargas.

Students fleeing a police charge and teargas after conflict between students and police on University of Witwatersrand campus.

A man kicks away a tear gas canister fired by South African Riot policemen during rioting which broke out in Duduza township on 18 May 1985. People said the unrest was provoked by the police who fired tear gas at some of the thousands of people returning from the funeral of a young unrest victim. Later police fired rubber bullets to disperse groups of stonethrowers.

Crossroads residents bury six-month-old Amanda Fanisa, asphyxiated by tear gas fired during police action in Crossroads, Cape Town. The South African security forces used tear gas as a standard means of "crowd control". Tear gas can be lethal, and it is especially dangerous when inhaled by young children.