A Bridgeport man has been arrested for a road rage incident in Wilton.  Police received a 911 call Friday morning about a vehicle that struck the side mirror of his car and continued driving aggressively.  Wilton Police say the suspect eventually pulled over, got out and approached the victim on foot, holding his hand behind his back, claiming he was going to shoot the victim.  36-year old Kirk Anderson was taken into custody and no firearms were located. He was charged with Breach of Peace and Threatening, and held on bond.