…“There should also [not be any] … sensitive or controversial issues involved,” the bureau said, without specifying what contents would be considered as such. The 313-page document, which mentions national security about 50 times, also [now] requires that all reading activities “on campus and organised in the name of the school… do not lead to situations that endanger national security.” Existing provisions in the updated guidelines include vetting school library materials to ensure their collections do not have elements that endanger national security. Jimmy Lai has spent 1,600 days in jail and could get life in prison if he is found guilty of endangering national security by lobbying American officials to impose sanctions on Hong Kong. What happens if a British populist politician flies to the US to lobby for sanctions on the UK? Lau also pointed to the participation of more than 20 world leaders in the commemorations.