CEDAR RAPIDS (KWWL) - UPDATE: Police arrested three people after a shooting Tuesday evening. It happened in the 1600 block of Fourth Avenue SE in Cedar Rapids just before 6 p.m. Tuesday. Police tell us a boy was injured. He was treated and released from Mercy Hospital. Officers say the shooting happened after a large fight broke out on Fourth Avenue SE. Three people who had left the scene in a vehicle were later arrested. 20 year old James Harrison of Hiawatha, 21 year old Lamonte Dickens of Cedar Rapids, and 16 year old Kendan Fonville of Cedar Rapids face disorderly conduct charges.