LAHORE   -   The police on Thursday registered 30 cases against people involved in illegal decanting of gas in the provincial capital. According to the police, Cantonment Division police registered 13 cases, City police registered two cases, Civil Lines police registered three, Saddr police three, Iqbal Town police three, and Model Town Division police registered six cases. As many as 642 cases have been registered against illegal gas decanting in residential areas during the current year. DIG Operations Sajid Kiani directed SHOs to continue operations against gas filling shops in residential areas.