Hong Kong police have arrested a school bus driver for allegedly driving under the influence of drugs after consuming marijuana, with one student on board at the time of the incident. Police on Tuesday said they had arrested the 24-year-old, surnamed Yau, after officers noticed the vehicle being driven erratically near the junction of Prince Edward Road East and Concorde Road in Kai Tak. Following a preliminary investigation, the driver failed a rapid oral saliva test and was subsequently...