Public Accounts Committee chairman Mrs Fairhead urges resignation . Says MPs can not have confidence in Fairhead to run BBC watchdog . Fairhead says she had been 'unyielding ' about any wrongdoing at bank .
Public Accounts Committee chairman Margaret Hodge urges resignation . Says MPs can not have confidence in Fairhead to run BBC watchdog . Fairhead says she had been 'unyielding ' about any wrongdoing at bank .