Hong Kong had “no plans” to require social workers to swear allegiance to the government, the city’s labour and welfare minister has said after members of the industry’s licensing body took an oath under a new law. Hong Kong had an “imminent” need to set up a mechanism to handle the registration of social workers convicted of national security offences and other serious crimes, Secretary for Labour and Welfare Chris Sun said in an interview with Ming Pao published on Friday. The official’s remarks came two weeks after the city’s opposition-free legislature passed a bill that gave government ap…