A riot control agent is a non-lethal chemical used to disperse a riot. It can rapidly produce sensory irritation or disabling physical effects which disappear following termination of exposure. Examples include tear gases such as CS gas and CN gas as well as pepper spray.
... of the Russian Federation, being 948 km (589 miles) long, and 25 to 170 km (16 to 105 miles) wide, with an area of 78,000 km² (24,560 sq. miles). The capital of ...