Some 2.9 million people in Hong Kong -- anyone born before 1997 -- are eligible for British National (Overseas) status and Britain has said they could be eligible for citizenship one day. China's plan to impose a sweeping national security law on the city in response to huge pro-democracy protests has many Hong Kongers mulling the prospect of leaving.<br /><br />"It is hard to do anything more in this city, because you know that every single objection will be met with an iron fist," says one BN(O) passport holder.
