BOSTON, MA — A 17-year-old was arrested and a loaded firearm was recovered following a traffic stop early Friday morning in Dorchester.
Officers assigned to District B-3 (Mattapan) conducted the traffic stop at approximately 3:10 a.m. in the area of Harvard Street and Johnston Road.
Police observed a motor vehicle traveling at a high rate of speed in the area of Blue Hill Avenue and Abbot Street…