The UK government is considering reducing the number of Chinese citizens allowed to enter the country on official business due to espionage threats from Beijing, reports Bloomberg. Ministers and security agencies are discussing a review of border rules applied to diplomats and other individuals on so-called official business. The aim is to compel China and other countries to provide more detailed information and allow more time for checks. Options include limiting the number of people who can enter under diplomatic or equivalent rules. Or it may involve restricting the scope of official or sta…