It is understood that he will face questions over his relationship with Rupert Murdoch, after his former lieutenant Lord Mandelson told the inquiry last week that he felt the former premier and the media mogul had become too close.

In 2010, it emerged that Blair had become godfather to one of Murdoch's children.

It'll be a big week for the Leveson inquiry, as culture secretary Jeremy Hunt is due to give evidence on Thursday. Hunt has been challenged over his office's links with News Corp during its bid to take over satellite broadcaster BSkyB.

Hunt has insisted that he oversaw the process "with scrupulous fairness throughout".

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