Portsmouth police say they've made a ninth arrest in connection with a months-long heroin ring investigation. The ninth suspect--21-year old Chelsea Glover of Milton--was arrested Friday night on charges of selling heroin. She was being held on $5,000 bail. Seven other people have been charged with felony-level drug offenses. One was charged with misdemeanor trespassing. Police tell the Portsmouth Herald that the arrests were made after a months-long investigation into street-level drug dealing. It was not immediately known if Glover was being represented by a lawyer.