LAYYAH - long queues of vehicles at the petrol pumps could turn out to be a security threat as people and pumps staffs are at loggerhead over the issue of petrol shortage. The pump owners are selling petrol at different rates in black-market, adding salt to the injuries of poor masses. The CNG stations have also been kept close for two days which added more humiliation to general public, government servant and students. The social circles have demanded the government to solved problem immediately.