Hong Kong’s national security police have arrested an immigration officer and a government computer technician on suspicion of publishing seditious messages online. Officers from the force’s National Security Department on Monday morning arrested the two men, aged 34 and 36, in Wan Chai and Central, respectively, for allegedly performing an act or acts with seditious intention. A police source said the two cases were not connected. The force searched the homes and workplaces of both suspects, with officers seizing communication devices as part of their investigation. A department spokesman said the pair were suspected of publishing seditious messages on social...