HBOS has frozen the accounts of Andy Hornby, its chief executive, after a thief stole his identification details and withdrew thousands of pounds in cash.Mr Hornby, who earned £1.7m last year, is said to have been told the news while on holiday.Fraud investigators are now poring over Mr Hornby's accounts to work out how much money has been stolen.The thief is believed to have obtained one of Mr Hornby's bank statements and used it to pose as the 41-year-old chief, stealing up to £7,000 in one day.The fraudster is said to have been filmed on CCTV withdrawing cash from bank branches and from an ATM machine.The embarrassing episode adds to a gruelling year for Mr Hornby, who has had to face shareholder unrest since HBOS launched a £4bn rights issue in April. It is not known for how long the fraudster...