Hong Kong authorities have ordered a licensed mobile ice cream vendor in Central to stop selling soft ice cream after a sample was found to contain coliform bacteria levels exceeding the legal limit.The Food and Environmental Hygiene Department’s Centre for Food Safety said on Thursday that the sample contained 310 coliform bacteria per gram, more than three times the limit of 100 per gram under the Frozen Confections Regulation.The watchdog said it had informed the licence holder of the...