Ashwin Prasad’s warning comes as UK unemployment could reach as high as 5.3 per cent this year, forecasts suggest Sign up to our free money newsletter for investment analysis and expert advice to help you build wealth Sign up to our free money email for help building your wealth Sign up to our free money email for help building your wealth Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice Tesco ’s UK chief, Ashwin Prasad,