Hong Kong police have arrested three suspects for allegedly defrauding a businessman of HK$3.11 million (US$399,000) in cryptocurrency using three bundles of fake HK$1,000 notes. Last week, police raided the Mong Kok office where the fake transactions took place and seized 10,978 counterfeit HK$1,000 notes. As of Monday afternoon, the three were still being questioned. (SCMP)