LAHORE - FIA has registered four cases against accused involved in gas theft in different parts of the city, said an officer of FIA on Thursday.  He said that accused were causing accumulated loss of more than Rs 8.9 million to national exchequer. Assistant Director, Asif Ali Mian said that Shahbaz Restaurant, Bilal Bakers, Inayat and Ashfaq food factories were found involved in gas theft on which their gas connections were disconnected. He said that as report of SNGPL gas supply meters were tempered for reversal.