hong kong hundreds hong kong soccer fan boo jeer chinese national anthem asia cup qualifier match tuesday defiance communist party rulers beijing boo anthem march volunteer become fixture football match chinese-ruled territory parallel protest unite state american football players kneel national anthem act denounce u.s. president donald trump former british colony prepare introduce law penalize people boo anthem measure critics say undermine city autonomy freedoms guarantee return china 20 years ago detail law include jail term scope enforcement yet set china extend law cover hong kong early month chinese president xi jinping recent years usher new legislation aim secure country threats within outside border besides preside sweep crackdown dissent free speech chinese officials say anthem law necessary safeguard authority state several hundred fan greet anthem match lebanon jeer boo unfurl banners say die hong kong others yell hong kong english rather local cantonese dialect security guard signal supporters behave scar even become law ... go toilet instead sit national anthem hong kong supporter bendter chong say ask would continue jeer anthem law enact tensions hong kong mainland china increase recent years amid call great democracy mass street protest 2014 paralyze part city although fail secure concessions electoral reform beijing jeer youths underscore young generation become increasingly disaffect political tension economic hardship security tight hong kong stadium venue city annual rugby sevens tournament 10,000 gather match stadium capacity 40,000. game end lebanon hong kong 0. sure law sure people behave say hong kong supporter fai chan still matter whether worth respect hong kong return british chinese rule 1997 one country two systems arrangement guarantee high degree autonomy include independent judiciary freedom expression 2015 hong kong football fan boo chinese anthem world cup qualifier prompt fine hong kong football association world body fifa association warn asian football confederation recently conduct fan say repeat violation may result severe punishment hong kong soccer fan defy beijing boo chinese national anthem