Some 10,000 rounds of tear gas have been fired by police on the streets of Hong Kong since protests first broke out in June. In some cases, hundreds of tears gas canisters have been deployed in a ...

Narrator: These Marine recruits are being exposed to CS gas, more commonly known as tear gas, to experience its effects and to know how to properly use a gas mask. SSgt Antonio Garay: Gas chamber ...

C.- Police routed 10,000 people- some of them spectators- in a rally of militant antiwar groups here Saturday afternoon, driving them from in front of the Justice Department with tear gas and clubs.

AMSTERDAM, Feb 14 (Reuters) - The world's chemical weapons watchdog on Friday said it had once again found traces of tear gas on the frontline with Russia in Ukraine's central-east Dnipropetrovsk ...

New Traces of Tear Gas Found on Ukraine Battlefield by Chemical Weapons Watchdog AMSTERDAM (Reuters) - The world's chemical weapons watchdog on Friday said it had once again found traces of tear ...