![Police detain a man at a rally against the new national security law in Hong Kong](https://s.wsj.net/public/resources/images/FN-AK705_fn_hk_M_20200701093055.jpg)
Hong Kong finance workers are flocking to London following the Chinese government’s decision to impose a controversial national security law on the region.
Estate agents and recruiters in the British capital have seen a spike in enquiries from Hong Kong-based finance workers since the security law was announced last month.