Hong Kong police arrested four people for “seditious” social media posts in connection with a Facebook page titled “Civil servant secrets,” after the page was denounced by a newspaper backed by the ruling Chinese Communist Party (CCP) for “inciting civil servants” and “smearing government policies and operations.” Two were accused of being the administrators of the group, which stopped posting on the day of the arrests, but later started up at a different address calling itself “Civil servant secrets 2.0.” The last visible post on the original page showed a police officer leaving his firearm unattended as he took a...