LET GROUP (01383.HK) 0.000 (0.000%) 's founder Alvin Chau, who was arrested in Macau in November 2021 for allegedly operating illegal gambling business, has been sentenced to 18 years of imprisonment after being found guilty of establishing and leading a criminal syndicate, according to the verdict given by a Macau court today. (HK stocks quote is delayed for at least 15 mins.)