An Asian industry group that includes Google, Facebook and Twitter has warned that tech companies could stop offering their services in Hong Kong if the city proceeds with plans to change privacy laws. The warning came in a letter sent by the Asia Internet Coalition, of which all three companies, in addition to Apple Inc, LinkedIn and others, are members. Proposed amendments to privacy laws in Hong Kong could see individuals hit with “severe sanctions”, said the June 25 letter to the territory’s privacy commissioner for personal data, Ada Chung Lai-ling, without specifying what the sanctions would be. “Introducing sanctions aimed at individuals is not aligned with global norms and trends,” added the letter, whose contents were first reported by the Wall Street Journal. “The only way to avoid these sanctions for technology companies would be to refrain from investing and offering their services in Hong Kong, thereby depriving Hong …