(Portland, OR)  --  Three people are facing charges in connection to a riot that followed a peaceful day of May Day demonstrations in Portland.  Multnomah County District Attorney Mike Schmidt announced yesterday he's filed charges against Phoebe Loomis, Quang Nguyen and Jeremiah Day.  Police arrested a total of seven people in connection to the unrest.  The Portland Police Bureau says one group demonstrated at Portland City Hall, where they broke windows and spray painted graffiti.  A second group demonstrated outside of the ICE building in south Portland.