Tens of thousands of Hongkongers were stuck for hours at the Hong Kong-Zhuhai-Macau Bridge on Christmas Day, as residents streamed out of the city’s border checkpoints for the holiday. Police and rail giant the MTR Corporation also warned on Thursday morning that Shenzhen Bay, Lo Wu and Lok Ma Chau spur line control points were crowded and that travellers should expect a longer time to cross the border. The wave of outbound travel started on Christmas Eve on Wednesday, when the net outflow of...