tear gas

CS gas - often referred to as "tear gas" - was used as a replacement.

Unemployed WWI veterans marched on Washington in 1932 to demand bonuses, only to have their encampments dispersed with tanks and tear gas.

Police used both physical force and volleys of tear gas to push back them back.

He originally claimed he was hit by a rock before he deployed tear gas at a protest, but evidence showed the rock was thrown afterward.

Several protesters, some wearing balaclavas, toppled the metal barriers protecting the palace and threw paving stones at riot police, who responded with tear gas, according to AFP journalists.