(Portland, OR) -- Protesters gathered in downtown Portland Saturday for a peaceful demonstration and march against ICE. The event started at South Waterfront Park and the group marched through downtown Portland. Police say event organizers worked with them and little police interaction was needed. Later Saturday night, a man was arrested outside of the ICE building. Police say 51-year-old Preston Reyes, of Gresham, spit on another person. He was arrested for harassment.