A biographer seeking the release of the personal diaries of Lord and Lady Mountbatten, which had been saved for the nation using £2m of public money, says he has been spied on by the British state during his years-long legal battle with officialdom which has cost £450,000 in legal fees.
Andrew Lownie has now gained access to a host of documents relating to him that were held by the government. Among them, he has said, are papers indicating officials monitored his social media accounts and public appearances.