• The bill is designed to clamp down on terrorism and subversion, says Beijing, but critics say it will be used to repress free speech and protests.
  • The contents of the bill have not been made public, and Hong Kong chief executive Carrie Lam refused at a press conference Monday to comment on them.
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China has imposed a sweeping new Hong Kong security law in the wake of pro-democracy mass protests in the region but exactly what the law says is still unknown even after it passed.

The contents of the bill have yet to be published, and have been instead disseminated to the public via media reports and press briefings.

The BBC early Wednesday morning confirmed that the controversial legislation had been approved by the Standing Committee of the People's National Congress, the Chinese government's main legislative body.

The Congress largely rubber-stamps decisions made by the leaders of the Chinese Communist Party.

Authorities in Beijing said they will only make public the full text after it is passed, the South China Morning Post reported earlier in June. The officials did not say how long the gap would be between passage and publication.

Hong Kong's chief executive, Carrie Lam, earlier told reporters that she was unable to disclose the content of the bill because it was still being deliberated by lawmakers in Beijing.

"I think at this moment, it is not appropriate for me to comment on any questions related to the national security law," Lam told reporters, as quoted by the AFP news agency.

Details of the bill, passed 40 days after it was first proposed, have been obtained by local news outlets, including RTHK, which reported that it contains measures punishing offences classed as terrorism, subversion or collusion with foreign powers with tough prison sentences ranging from three years to life imprisonment.

According to Tam Yiu-chung, a pro-Beijing lawmaker who has briefed the media on the new law, it will not include the death penalty .

China says the tough new law is needed to quell violent unrest and return Hong Kong to stability.

Critics, including the United Nations human rights commissioner , have expressed concern over the bill.

"The passing of the national security law is a painful moment for the people of Hong Kong and represents the greatest threat to human rights in the city's recent history," said Joshua Rosenzweig, the head of Amnesty International's China team, in a statement.

"From now on, China will have the power to impose its own laws on any criminal suspect it chooses," he said.

Last year, mass protests swept Hong Kong after Beijing passed an extradition bill that critics say eroded the special legal status of Hong Kong.

The region was meant to be governed on different terms from the mainland as a condition of its return by the UK in 1997.

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