1984 sino-british joint declaration albert ho alvin yeung apple daily Arrest Asia au nok-hin avery ng basic law carrie lam cheung sha wan police station chinese communist party chris patten civic party claudia mo confederation of trade unions Coronavirus COVID-19 ctu cyd ho Democratic Party extradition figo chan figures Hong hong kong hong kong democracy movement hong kong watch human rights illegal assembly jimmy lai Kong labour party lam wing-ho league of social democrats Lee lee cheuk-yan leung kwok-hung long hair lord patten of barnes luisetta mudie malcolm rifkind margaret ng Martin martin lee mass arrests Police ProDemocracy public order ordinance raphael wong reign of terror richard tsoi sin chung-kai wong lok-to yeung sum