Police say an additional person has been arrested for his role in a June fight that blocked traffic along Central Avenue in Dubuque also pulled a gun during a fight in August. 24 year old Bryan Black of Dubuque was arrested Tuesday at the Dubuque Law Enforcement Center on charges of going armed with intent, participation in a riot, disorderly conduct-fighting and a probation violation. According to reports, Black was one of several men involved in a disturbance involving a large group of people at approximately 1:44 p.m. June 5 in the area of 14th Street and Central Avenue.