• There is growing alarm in the UK over Beijing's attempt to introduce a law that would punish any behaviour that it deems to endanger Chinese national security in Hong Kong.
  • The prime minister said he would offer a 12-month extendable visa to all citizens on the island who are eligible to apply for a British National Overseas passport, some 3 million.
  • The move dramatically escalated the growing row between Beijing and London.
  • The UK has also asked Australia, Canada, the US, and New Zealand to give visas to Hong Kong residents if they seek to flee.
  • China told Britain to stop "interfering," and warned that its residency offer would "backfire".
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China has warned Britain to "step back from the brink" and "stop interfering" in China's affairs after Prime Minister Boris Johnson threatened to offer 3 million Hong Kong citizens the right to come and live in the UK

Boris Johnson said on Wednesday that he will have "no choice" but to offer UK visas to millions of Hong Kong residents if China pushes ahead with its plans for new national security legislation which critics fear would remove existing freedoms in the semi-autonomous region.

Writing in the Times of London newspaper on Wednesday, the prime minister warned that the new legislation would "dramatically erode" the island's autonomy, which currently enjoys judicial and political independence from mainland China.

The prime minister suggested that in response he would offer a 12-month extendable visa to all citizens on the island who are eligible to apply for a British National Overseas passport, some 3 million. It goes significantly further than the UK government's suggestion last week that it would extend visa rights to 300,000 holders of BNO passports, rather than all those eligible.

Johnson said: "Today about 350,000 people hold British Nationals (Overseas) passports and another 2.5 million people would be eligible to apply for them. At present these passports allow for visa-free access for up to six months."

"If China imposes its national security law, the British government will change its immigration rules and allow any holder of these passports from Hong Kong to come to the UK for a renewable period of 12 months and be given further immigration rights including the right to work which would place them on the route to citizenship."

He said the move would amount to "one of the biggest changes to our visa system in history. If it proves necessary Britain will take this step and take it willingly."

However, China hit back on Wednesday, warning Johnson that his intervention would "backfire."

"We advise the UK to step back from the brink, abandon their Cold War mentality and colonial mindset, and recognise and respect the fact that Hong Kong has returned [to China], Chinese foreign ministry spokesman Zhao Lijian said at a regular briefing, according to AFP.

Zhao added that London must "immediately stop interfering in Hong Kong's affairs and China's internal affairs, or this will definitely backfire."

The UK has also asked other close allies to consider offering residency to Hong Kong citizens if they begin to flee the island in large numbers due to Chinese repression.

Raab, the foreign secretary, said that he had invited the so-called "Five Eyes" intelligence-sharing nations the United Kingdom, Australia, New Zealand, the United States and Canada to offer Hong Kong residents visas.

"I raised it on the Five Eyes call yesterday, the possibility of ... burden-sharing if we see a mass exodus from Hong Kong," he told the House of Commons on Tuesday .

"I don't actually think that is likely ... but he's right to raise it and we're on the case diplomatically," he said.

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