tear gas

Amid allegations that people’s health and the environment are suffering the consequences, five environmental groups on Tuesday sued the Department of Homeland Security.

SALEM, Ore. (AP) — Officials in Portland, Oregon, are cleaning up tear gas residue from the streets, dirt and possibly the storm drains after the chemical was used repeatedly by both police and federal officers during protests over racial injustice ...

The protests have roiled the city and pitted local officials against the Trump administration.