Federal agents deployed multiple canisters of tear gas in a residential block of the East Side neighborhood Tuesday to quell ...

The Portland Police Bureau (PPB) confirmed that three people were detained following an alleged assault during the protest.

Here’s What You Need to Know: Gas mask protection went into full gear in 1915 following the use of gas by the Germans at Ypres. While the first widespread use of poison gas occurred on April 22, 1915, ...