Hong Kong has conducted its first large-scale drill at the revamped Huanggang border crossing, with authorities describing traffic flows at the facility as smooth. About 1,000 civil servants from more than 20 departments mobilised for Thursday’s drill. They were instructed to travel by public transport to the Hong Kong port area of the revamped Huanggang Port, enter the port building and leave by similar means. Authorities said the exercise aimed to assess the management of passenger and...