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.
... or Mamiya Strait, which often freezes in winter in its narrower part, and from Yezo (Japan) by the Strait of La Pérouse. Sakhalin is the largest island of the Russian ...