Hong Kong customs officers have arrested three men in connection with 131kg of suspected ketamine worth about HK$51 million (US$6.5 million), disguised as sugar cubes and found in air cargo transported to the city. Chiu Kai-wing, a senior investigator with the Customs and Excise Department’s drug investigation bureau, said on Saturday that officers had intercepted an air cargo consignment from Germany declared as containing sugar cubes on Tuesday, after exchanging intelligence with mainland...