Hong Kong customs has, for the first time, uncovered a drug smuggling operation involving an underwater compartment of a large cargo ship, resulting in the seizure of HK$256 million (US$32.89 million) worth of suspected cocaine. The operation last month, supported by intelligence from mainland China and underwater robots, also disrupted what investigators believed was an attempt to use the vessel as a huge drug storage site. Customs Drug Investigation Bureau head Lau Yuk-lung on Tuesday said...