Hong Kong authorities have launched a search in waters west of the city for a man believed to have fallen overboard from a sightseeing vessel travelling between Shekou and the Hong Kong–Macau–Zhuhai Bridge. The operator of the cruise, which had departed from Shekou in neighbouring Shenzhen for a sightseeing trip of the mega bridge, reported the incident at around 3pm on Tuesday after crew members realised the passenger was missing upon returning to shore. A review of on-board security footage...