KARACHI - The Sui Southern Gas Company on Thursday announced that Compressed Natural Gas (CNG) filling stations in the City will be closed for 24 hours on Friday (today). The SSGC spokesman said the filling stations would be closed at 9:00am for 24 hours and would reopen on Saturday morning, under the load-management plan of the government. He warned that any gas filling station which violated the schedule would be closed for further 24 hours.