COLOMBO (News 1st) – Sri Lankan authorities have seized a massive haul of heroin in the high seas to the south of Sri Lanka on Sunday (6) night.Sri Lanka Navy said that 300 parcels containing 1 kilogram of heroin each were discovered from three vessels in the seas off Hambantota.The Navy spokesperson told News 1st that approximately 300 kilograms of herion was discovered from two multi-day fishing vessels, and a dinghy boat.The drug bust was carried out by the Police Narcotic Bureau, Sri Lanka Police Special Task Force, and the Sri Lanka Navy, and 10 suspects were arrested during the raid..