Sir John Bourn should resign from his post as head of the National Audit Office following revelations about his expenses, Liberal Democrat Shadow Cabinet Office Minister Norman Baker MP has said.

Details included £365,000 being spent on travel and a visit to the British Grand Prix paid for by BAE Systems. Sir John has previously refused to release the NAO’s own report into BAE’s Al Yamamah deal.

Commenting, Norman Baker said:

"It is incredible that Sir John Bourn has seen fit to run up gigantic bills for largesse at the taxpayers’ expense.

"Even more serious is appearing to accept hospitality from companies such as BAE which compromises the independent and professional standing essential to someone in this post.

"The time has come for him to call it a day in the interests of good administration."