A federal judge in Oregon has restricted federal officers from using tear gas at protests at the U.S. Immigration and Customs ...

Federal agents' heavy use of tear gas is raising concern about harmful effects to protestors and neighborhoods. A toxicologist explains what it is and its health effects.

Add Yahoo as a preferred source to see more of our stories on Google. Fox News reporter Steve Harrigan said the situation in Minneapolis is getting out of control after another protester was shot and ...