LAHORE The son of a former General Manager of Wapda was put behind the bars shortly after he assaulted a female traffic officer at Ferozpur Road, police sources revealed on Wednesday. Khakan Hamayun, who introduced himself as the son of Hamayun Akhtar, exchanged hot words with Nargis Bibi over wrong parking. Police sources claimed that the youth thrashed the traffic Inspector when she approached him for as he had parked his vehicle on the wrong place at the busy road in commercial area. Farah Hamayun, the mother of the youth, also came out of the car and joined street fight on the public place.