After various clashes between the federal army and the protestors during a series of protests related to the 'Black Lives Matter' movement, the Portland mayor has ordered the police to stop using tear gas to control crowd in any way.

Portland Mayor bans use of tear gas by police after locals complain

Protests erupt in Portland! Anti-racism protesters clash with police forces and right-wing groups

Portland observes peaceful protests as feds take a step back

The Seattle Police Department declared a riot on Saturday and said that protesters threw rocks at officers and caused multiple fires and damage to businesses. Also read: US administration arrests 18 during week of chaotic Portland protests The department took to Twitter to declare it a riot.

Following multiple arrests, Seattle Police department declares Capitol Hill protest a 'riot'

A crowd of protesters remained outside the federal courthouse in Portland, Oregon, into the early hours of Saturday even US agents used plumes of tear gas to disperse them.

US federal agents use tear gas to try to disperse Portland protests

Federal law enforcement officers are cracking down on protesters in Portland, Oregon, under the Trump administration’s new executive order to protect U.S. monuments in what the state's Democratic governor has called "political theater."

Crackdown on Portland protesters after Trump order to protect monuments