Hong Kong authorities will crack down on flavoured tobacco substances in the next phase of its enhanced smoking control measures, with the health minister describing such products as a “poisoned chalice” designed to hook younger people.Secretary for Health Lo Chung-mau warned on Saturday that flavoured tobacco was mostly delivered through e-cigarettes, with additives containing menthol or sugar-coated toxins used to mask the bitterness and smell of tobacco and attract young consumers.“About 70...