Hong Kong customs has smashed an international drug trafficking network over the summer, seizing 6.1 tonnes of suspected narcotics worth more than HK$1.4 billion (US$178.5 million) and arresting 150 people as syndicates actively recruited students during the holiday period. Acting head of the Customs and Excise Department’s drug investigation bureau Wong Ngar-lun said on Tuesday that real-time intelligence exchanges with overseas law enforcement agencies helped dismantle complex, multilayered...