Hong Kong time line - since 1 July 2017

Four students - three male, one female, aged 16-21 - arrested for organising and inciting secessionist activities . RTHK SCMP HKFP

Technically, the university's Governing Council sacked him. Its Senate had determined there were insufficient grounds for Tai's removal. Guardian

British Foreign Secretary Dominic Raab said the agreement was being suspended indefinitely due to Beijing's imposition of its National Security Law. Raab also said also plans would be in place for a path to UK citizenship for around 3 million Hong Kong people by early 2021. BBC

President of UK’s Supreme Court suggested that British judges might not be able to continue to serve if the National Security Law casts judicial independence and Hong Kong’s rule of law into doubt. SCMP

Au resigned following statements from Beijing's Liaison Office in Hong Kong that those who organised the oppositions primaries held on could have breach the National Security Law. SCMP

Police raided the institute's office in Wong Chuk Hang in the evening with a warrant to investigate allegations of dishonest use of a computer. HKFP