China is facing mounting criticism over a planned security law for Hong Kong which would make it a crime to undermine Beijing's authority.

Hong Kong was handed back to China from British control in 1997 but under a unique agreement.

Jeremy Hunt, David Miliband, Jack Straw, William Hague, Malcolm Rifkind, David Owen and Margaret Beckett all expressed their concern at what they call China's "flagrant breach" of Sino-British agreements by imposing tough national security laws on Hong Kong

Mr Raab said up to three million people registered as a British national (overseas) in Hong Kong could be eligible for UK citizenship if China presses ahead with the law

Meanwhile, the chairman of Commons foreign affairs committee, Tom Tugendhat, said the government must realise that China has a "very, very authoritarian system of government" and should rethink the partnership between the two