(Portland, OR) -- Three people were arrested Saturday evening during a demonstration outside of the Portland ICE facility. There was a medical emergency inside of the building. Police declared a riot, so emergency responders could get inside. One person was arrested for attempted assault on a police officer. Police were later told a federal officer who was injured didn't need medical help. A second person was arrested for throwing a rock at the building. A third person was arrested for stealing traffic cones in the street. The demonstration continued outside of the building.