China’s ambassador to Britain has become the first Chinese official to publicly dismiss suggestions that Beijing was behind controversial changes to Hong Kong’s extradition bill.In an interview with British broadcaster the BBC, Liu Xiaoming, China’s top envoy in London since 2009, said Beijing never instructed Hong Kong to amend the legislation.“[The media] portrayed the story as the Hong Kong government made this amendment [as a result of the] instruction of the Beijing government,” Liu said…