The head of the Hong Kong government’s liaison office in Tianjin has been fired and will face a criminal probe after his online posts showed him enjoying alleged perks such as a private ferry cabin upgrade on a trip to Macau. The government said in a late-night statement on Wednesday that following concerns arising from posts by Ricky Cheng Chun-sang, director of the Tianjin Liaison Unit, it had conducted further investigations. “It has been considered that the incident in which Mr Cheng’s seat...