EU finance services chief says Britain faces barriers if quits EU

By Huw Jones LONDON (Reuters) - Britain would face trade barriers if it left the European Union and its single market, the EU's financial services commissioner Jonathan Hill said on Monday. Hill, a Briton appointed to the European Commission by UK Prime Minister David Cameron, stepped up warnings on the consequences for the City of London financial district if Britain votes to leave the 28-country bloc in a June 23 referendum. Financial services are Britain's biggest export earner and are flouri