NBC News reported that, Protesters in Portland, Oregon, pulled down statues of former Presidents Abraham Lincoln and Theodore Roosevelt and broke windows late Sunday amid a demonstration on what organizers called an “Indigenous Day of Rage,” NBC local affiliate KGW reported.

Monday is the federal holiday Columbus Day, which some cities and states have renamed Indigenous Peoples’ Day.

According to NBC NEWS, Earlier in the evening, police tweeted that a mass gathering had formed and that some protesters were trying to “pull down a statue with a chain.

NBC NEWS reported, An hour later, police declared the protest a riot, ordered protesters to disperse and said that those who chose to stay would be subject to “arrest, citation, or crowd control agents, including, but not limited to tear gas and impact weapons.”