Traffic Constable Sadaqat signalled a vehicle to stop in Karachi's DHA after it ran a red light. SCREENGRABA man who ran over a traffic police official after violating a traffic signal in Karachi’s DHA area has been arrested, Express News reported. Traffic Constable Sadaqat signalled a vehicle to stop after it ran a red light. The impact caused Constable Sadaqat to be thrown onto the bonnet of the car. Read more: Woman who ran over motorway cop arrested from IslamabadThe traffic police eventually managed to stop the vehicle and apprehended the driver, identified as Ali Hassan, son of Malik Bashir.