A Hong Kong court on Thursday jailed a former university professor for 20 weeks after he accepted a HK$40,000 (US$5,109) bribe and offered red packets to two colleagues to help an unqualified student gain admission to a postgraduate programme, saying his actions had tarnished the city’s reputation. Liu Hongbin was sentenced for abusing his authority as chair professor at the Hong Kong University of Science and Technology’s department of ocean science to help a mainland Chinese student majoring...