A 15-year old Port Arthur teen is in the Minne Rogers Juvenile Detention Center for an aggravated assault. This past December shots were fired into a vehicle in the 4100 block of 39th Street in Port Arthur gravely injuring a 16-year old girl, who was an untargeted victim of the attack. Yesterday, with the assistance of Beaumont police, Port Arthur police arrested the teen at a residence in the 4600 block of Delwood in Beaumont.