"It's often like an individual, or a very small group within the larger crowd that can be arrested and detained. That's what police are supposed to do." Tear 'gas' is actually a powder Tear gas ...

In 1930, police used tear gas to disperse a group of unemployed demonstrators in front of the White House. Announcer: Washington became a battleground. Narrator: Two years later, President Herbert ...

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.

after exposure to tear gas. This illness is often linked to exposure to dioxins, a group of chemicals that are categorised by the World Health Organisation (WHO) as highly toxic. Young Post ...