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

Editor’s note: KTLA reached out to the U.S. Department of Homeland Security for comment multiple times prior to publication. As of publishing, DHS has not responded. KTLA will update this ...

Dozens of farmworkers were detained and federal agents deployed tear gas at protesters during an immigration raid at a Ventura County agricultural business Thursday. The immigration raid took ...

Los Angeles cops have fired hundreds of rounds of less-lethal ammunition, deployed tear gas and flash bangs to break up the anti-ICE protest s that have raged for nearly a week across Southern ...

When the commands were not followed, they released tear gas and made several arrests. “The right to protest is fundamental and respected in DeKalb County,” said CEO Lorraine Cochran-Johnson.

As protests in Los Angeles continued for the third day Sunday, police fired tear gas and impact rounds, which are not meant to be lethal, to disperse crowds. Protesters had gathered outside the ...

Around 1:45 p.m., FOX 5 reporters saw officers in riot gear shooting tear gas to break up the rally. After police threw the gas and moved the crowd, protesters could be heard chanting, "oink, oink ...

California professor arrested for throwing tear gas at ICE agents during raid that detained over 350 illegal aliens at cannabis farm suspected of child forced labor.

The cycle repeated multiple times throughout the late afternoon, with tear gas and pepper balls affecting protesters and assembled media alike. Protesters flush mace deployed by federal agents out of ...