Tear gas is a chemical weapon also known as "demonstration control agents" (DCAs). It's designed to disperse large crowds, typically in outdoor settings. Tear gas contains lachrymatory agents, ...

PORTLAND, Ore. (NewsNation Now) — The mayor of Portland on Thursday ordered police to stop using CS gas, more commonly known as tear gas, for crowd control during the frequently violent protests that ...

Tear gas is a chemical weapon commonly used by law enforcement officers for crowd control. It is primarily used to cause irritation to the eyes, mouth, throat, lungs, and skin, making it difficult for ...

The national semantics exercise over "pepper balls" and "tear gas" has continued. On CBS’ "Face the Nation," Attorney General William Barr was asked if it was appropriate for the U.S. Park Police "to ...

After a recent safety training gone wrong, San Bruno community members raise health concerns and question protocol for testing chemicals used for crowd control at a jail facility less than half a mile ...

The Council of the European Union has prepared a new sanctions regulation that, for the first time, formally accuses Russia of using CS gas as a method of warfare on the front lines in Ukraine. In an ...