So-called “less-lethal” weapons like those that have been used against demonstrators in Los Angeles can cause severe, lasting harm like nerve or brain damage or blindness. They can also kill.

Nearly 30 children and one adult became ill last week when a plume of tear gas used at a police training exercise drifted to a nearby elementary school in San Bruno, Calif., according to authorities.

Tear gas is forbidden in war but allowed in law enforcement , and its use has come under scrutiny after U.S. border forces sprayed it on immigrants. Hotspots ranked Start the day smarter ☀️ ...

Police used tear gas to disperse pro-Palestinian protesters at the University of Arizona Tucson campus after they refused to leave their encampment, according to numerous reports.

World Tear gas, other riot-control weapons have injured 119K people around the world since 2015, report says The riot report includes numbers from Colombia, Hong Kong, Black Lives Matter protests ...