After a long long effort to control traffic flow within the Defence Stadium circle area, the DHA has, after complete lack of success, launched its final assault on vehicles that break the traffic flow pattern that has been set up to eliminate congestion in the area. Tyre killers Tyre killers These tyre killers will puncture the tyres of cars that come from the wrong direction, while allowing the correct drivers to pass through. I spoke with an engineer there, who told me that during the past week, DHA had received 4 complaints from angry drivers who lost their tyres to this device. Its interesting how people can call up and complain about something thats a consequence of violating the law!