That's what police are supposed to do." Tear 'gas' is actually a powder Tear gas — aka agent CS (2-Chlorobenzalmalononitrile) — was invented a century ago, and has long been used as a weapon ...

Tear gas is not actually a gas. It's a solid, white powder that can be aerosolized when mixed with a solvent. When it's mixed with water, sweat, and oils in our skin, it dissolves into a painful ...

Tear gas or tear smoke are or riot control agents ... The type of chemical agent used by Hong Kong police, CS gas, is actually a fine powder or crystal, and will settle in clothes, causing ongoing ...

Mozambique opposition leader Venancio Mondlane returned from self-exile on Thursday, defiantly claiming to have won a hotly contested October election, but security forces later used tear gas to ...