PakistanBlast targeting Karachi gas sub-station was of IED: policeAsad FarooqFebruary 11, 2013February 12, 2013 by Asad FarooqFebruary 11, 2013February 12, 2013 Karachi: Police officials in Karachi said the blast targeting a Sui Southern Gas Company (SSGC) substation in the city was an improvised explosive device (IED)....