Hong Kong- Hong Kong police arrested more than 300 people Wednesday -- including nine under China's new national security law -- as thousands defied a ban on protests on the anniversary of the city's handover to China.
Police used water cannon, pepper spray and tear gas throughout in a series of confrontations with protesters, a day after China drew global criticism for imposing the controversial legislation on the financial hub.
Beijing said the law would restore stability after nearly a year of unrest, but instead it sparked the worst street violence in months.
Police said one officer was stabbed in the shoulder as he tried to make an arrest.
Under the new law, certain political views and symbols became illegal overnight -- including showing support for Hong Kong, Taiwan, Xinjiang and Tibet independence.
Details released by police Wednesday accused those arrested under the new legislation of possessing independence flags, stickers and flyers.
"Advocacy for independence of Hong Kong is against the law," security minister John Lee told reporters.
Still, many of those protesting on Wednesday chanted independence slogans -- itself now against the law.
"What this authoritarian regime wants to do is to terrorise the people and stop them from coming out," Chris To, a 49-year-old protester, told AFP.
- Broken promise? -
Opprobrium over the law poured in from critics and western governments -- led by the United States and Britain -- over fears the law will usher in a new era of mainland-style political repression.
Under a deal ahead of the 1997 handover from Britain, authoritarian China guaranteed Hong Kong civil liberties as well as judicial and legislative autonomy until 2047 in a formula known as "One Country, Two Systems".
British foreign secretary Dominic Raab said the law breached that agreement, a registered treaty.
Britain also said it would push ahead with previously announced plans to extend a possible path to citizenship for some three million Hong Kongers.
Washington's top envoy vowed unspecified counter-measures.
"(China) promised 50 years of freedom to the Hong Kong people and gave them only 23," Mike Pompeo said.
Beijing said foreign countries should keep quiet about the law, while Hong Kong leader Carrie Lam hailed the legislation as the "most important development" since the city's return to Beijing's rule.
- Polarising date -
After huge and often violent pro-democracy protests last year, authorities have shown zero tolerance for even peaceful rallies in recent months.
Gatherings of more than 50 people are banned anyway under anti-coronavirus regulations -- even though local transmissions have ended.
But the July 1 anniversary has long been a polarising day in the city.
Beijing loyalists celebrate Hong Kong's return to the Chinese motherland after a century and a half of what they consider humiliating colonial rule by Britain.
Early Wednesday helicopters flew across Victoria Harbour carrying Chinese and Hong Kong flags, while a barge chugged past hailing the law in giant Chinese characters on scaffolds.
Democracy advocates have long used handover date to hold rallies as popular anger towards Beijing swells -- although this year's event was banned for the first time in 17 years.
During huge pro-democracy demonstrations last year, the city's legislature was besieged and trashed by protesters.
- Chinese jurisdiction and life sentences -
The "One Country, Two Systems" formula helped cement Hong Kong's status as a world-class business hub, bolstered by an independent judiciary and political freedoms unseen on the mainland.
But critics have long accused Beijing of chipping away at that status and describe the new security law as the most brazen move yet.
It was passed in just six weeks, skipping Hong Kong's fractious legislature, and the precise wording was kept secret until it came into effect late Tuesday.
It outlaws subversion, secession, terrorism and colluding with foreign forces to undermine national security, with sentences of up to life in prison.
It also topples the legal firewall that has existed between the city's judiciary and the mainland's party-controlled courts.
China will have jurisdiction over "serious" cases and its security agencies will also be able to operate publicly in the city for the first time.
Another provision also claims universal jurisdiction for national security crimes committed beyond Hong Kong or China.
Canada warned citizens in Hong Kong that they faced an increased risk of arbitrary detention or even extradition to China.
Authorities in Taiwan opened a new office to deal with Hong Kongers seeking refuge.
Beijing says the law will not end Hong Kong's freedoms but critics have little faith in those assurances, given how similar national security laws are routinely used on the mainland to crush dissent.
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