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.

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.

Authorities in Berlin responded to an alleged tear gas incident at a local elementary school on Friday, June 20, which reportedly left 37 children needing treatment ...

At least seven people have been killed and many more injured during recent anti-government protests in Togo’s capital, Lomé, ...

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.

Police officers stand amid tear gas during a protest against federal immigration sweeps in downtown Los Angeles, California, U.S. June 8, 2025. REUTERS/Daniel Cole Pepper spray and balls ...

Faure Gnassingbe facing criticism over changes to the country’s constitution that could keep him in power indefinitely.

Israeli forces were accused of firing tear gas inside of a hospital in the West Bank city of Jenin on Tuesday, causing 125 people to be treated.. The tear gas made the emergency room "unusable ...

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 ...

Tear gas, pepper spray hits ... said the agency was doing a routine training session for crowd control tactics inside a structure on an isolated section of the San Bruno Jail property. ...