Organizers of the “No Kings” demonstrations said millions had marched in hundreds of events. In Oregon, tens of thousands of people gathered in downtown Portland for two large protests -- one that began in Tom McCall Waterfront Park and the other at the Oregon Convention Center.

Demonstrators in the hundreds lined the streets of downtown Jackson outside of City Hall to take part in the 'No Kings' protest against President Trump

An armed man was arrested on Saturday in the area of a "No Kings" rally in West Chester, Pennsylvania, police said.

A demonstrator was shot and killed at Salt Lake City’s “No Kings” protest when a man believed to be part of the event’s peacekeeping team fired at another man allegedly aiming a rifle at protestors, authorities said.

Opponents of President Donald Trump’s administration are set to rally in nearly 2,000 cities and towns this weekend.