How has London's French community fared since Brexit? Caroline Bayley explores why so many entrepreneurs have chosen to start businesses on this side of the channel. And what is the capital's attraction for so many of France's young people? After the vote to leave the EU, the response of many French ex-pats was deep shock. Three months on, are French people and companies re-assessing their future in the UK? And will London be as open for business as it has been in the past?