KARACHI - Anti Narcotics Force (ANF) Saturday recovered 243 kilograms heroin worth R3.5 billion in international market during a raid at Pakistan International Container Terminal (PICT) Seaport. ANF sources said heroin had been concealed in furniture and water dispensers from container bearing numbers PCIU-8303826 and RICU 8124230. Two persons were also arrested in the same case, sources informed. A case has been registered at Police Station Anti Narcotics Force Clifton, Karachi under Section 9 (C) of CNS Act 1997. Investigation is in progress and 'big disclosures are expected, sources said.