Public Accounts Committee chairman Margaret Hodge urges resignation . Says voters can not have confidence in Fairhead to contest leadership elections . Fairhead said 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 .