Sir: I want to draw the concerned authorities attention towards a very important issue. It has been observed that a large number of mechanics drive vehicles without brakes in cities in order to have a test drive, which is very dangerous for pedestrians and other cars. In Karachi, more than five percent of accidents occur every day due to brakeless cars. Strange that people who are supposed to fix cars end up causing more damage to them. FAISAL RAHEEM Turbat