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.

Three dozen protesters were arrested Saturday night in Denver on investigation of charges ranging from blocking streets to resisting arrest, according to the police department.

The detention of the U.S. Army veteran and immigrant who obtained U.S. citizenship, punctuated a series of unusual events that have appealed to Trump supporters but outraged other Americans.