Sports Direct bosses have insisted they had no knowledge of an undercover recording device which a group of MPs said they found during an unannounced visit to the firm's Derbyshire warehouse.
Members of the Commons Business, Energy and Industrial Strategy Committee said they discovered the miniature camera during what was supposed to be a private discussion at the end of their tour of the warehouse at Shirebrook on Monday.
However in a statement, the firm's board questioned the "veracity" of the device found by the MPs and insisted that it had not authorised its use.
Sports Direct founder and chief executive Mike Ashley hit out at the committee which has been highly critical of the company's employment practices, accusing them of treating his workforce as a "political football".
Mr Ashley added: