Hong Kong national security police have arrested the founder of online media outlet Boom News on suspicion of “incitement by spreading disinformation”, according to a source familiar with the matter. The source said journalist Tang Ho-wing, the 37-year-old founder of Boom News, was apprehended at around 7am on Wednesday. Tang, known to internet users as “Boom head” or Bobby, was previously a journalist with the Chinese University of Hong Kong’s student newspaper, Chinese University Student...