Police arrested a Bridgeport man and charged him with assaulting a juvenile and stealing his bicycle. Police said that the incident took place at the intersection of Bridgeport Avenue and the Boston Post Road May 10. Christian Perez, 19, of 144 Cowells Street, Bridgeport, punched a juvenile in the stomach and took his bike, police said. Perez was charged with robbery, risk of injury to a minor, breach of peace, assault and larceny. The bicycle was later located in Bridgeport and returned to the juvenile. Bond for Perez was set at $1,000 and he was scheduled to appear in court June 5.