Hong Kong police will establish a high level of security for this weekend’s state funeral of the city’s first chief executive, Tung Chee-hwa, including guarding the three top Beijing officials attending the event, the South China Morning Post has learned.However, the original public memorial service will instead be limited to invitation-only due to venue constraints, the Office of Former Chief Executives announced on Thursday.A command centre would be set up at the police headquarters in Wan...