Portland police responded quickly and decisively to a group of protesters blocking traffic in the city Wednesday, running one of them right into the ground in dramatic footage posted online.

About a dozen police in riot gear approach the scene of the protest in the video posted to Facebook by a local outlet, where agitated bystanders had gathered around the protesters as they blocked traffic. One man had climbed onto the front of the bus. “Here they come,” one onlooker says excitedly.

WATCH:

The police quickly descend on the group and literally flatten a number of them, pushing them to the ground and surrounding them as bystanders cheer them on. “Take them all down!” one man is heard shouting repeatedly in the background as they begin to arrest the black-clad protesters. An older woman gives the police an enthusiastic thumbs up.

[dcquiz] Police arrested six people, in addition to other arrests in a different part of the city where protesters also gathered.

Rather than obtain the permits required by law to hold a demonstration in the city, the protesters intentionally organized their march in secret, reports The Oregonian. Police had used force on a large group that gathered to protest Trump, organizers said, so this time they were going to spread out in smaller groups without giving the police a heads up.

The Oregonian notes that a separate demonstration related to the women’s march in Washington, D.C., Saturday went off peacefully and without interference from police.

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