Hong Kong customs officers have arrested two men in a crackdown on a syndicate accused of laundering HK$4.7 billion (US$600.54 million) in criminal proceeds over four years and running a drug business. Investigators from customs’ financial investigation bureau said on Thursday the group operated through two companies, receiving large sums of unexplained funds and channelling them through more than 2,100 transactions. The money‑laundering tactics involved shell companies, frequent transfers and...