What is tear gas? Learn more about the evolution of tear gas and why some scientists recommend a revaluation of its use.

Dozens of young students were injured after tear gas was released in the hallways of an elementary school by an unknown perpetrator, authorities said.

Dozens of children have been injured at a local elementary school in Berlin, Germany, after tear gas was released in the hallways, according to reports.

Officers with the LAPD fired rounds tear gas at protesters, surprising those who had gathered on the street and sidewalk a few blocks from a police line. The clouds of gas wafted toward a family ...

Amid flash bangs and wearing a gas mask, NBC News’ David Noriega reports from downtown Los Angeles, where police used tear gas and crowd control tactics to break up a peaceful protest near a ...

DeKalb police use tear gas at Doraville immigration protest Officers used the gas multiple times to move protesters.

Live Streams DeKalb County At least 8 arrests made after tear gas deployed as protesters move onto DeKalb County street By WSBTV.com News Staff June 14, 2025 at 5:21 pm EDT ...

The Trump administration moved Wednesday to erase limits on greenhouse gases from power plants and to weaken restrictions on their other hazardous emissions, including mercury, arsenic and lead ...

More protests erupted Sunday as troops dressed in tactical gear were seen stationed outside Metropolitan Detention Center downtown, where hundreds of demonstrators clashed with federal authorities ...

After tear gas and street fires, local family cleans up as National Guard troops arrive A Paramount Home Depot — about a block away from where Ernest Melendrez cleaned, across city limits in ...