香港活动人士蔡耀昌被禁廿载终于获准去广州 (Hong Kong activist Richard Tsoi, forbidden from entering mainland for 20 years, finally allowed to go to Guangzhou)
British Broadcasting Corporation, December 18, 2016
http://www.bbc.com/zhongwen/simp/chinese-news-38359712
China’s top man in Hong Kong travels to Beijing as rumors swirl that he may be removed
Hong Kong Free Press, December 16, 2016
https://www.hongkongfp.com/2016/12/16/chinas-top-man-in-hong-kong-travels-to-beijing-as-rumours-swirl-that-he-may-be-removed/