Lord Justice Brian Leveson unveils his report following an inquiry into media practices on November 29, 2012. Picture: Reuters/Dan Kitwood The publisher of the Daily Mail racked up £34.5m in costs fighting unproven allegations of unlawful newsgathering and is seeking an initial payment from Prince Harry and his co-claimants of £10m. Associated Newspapers is also arguing it should receive indemnity costs, meaning more than the usual proportion of costs from the losing parties, in part because they believe the trial was used by the claimants to pursue a political campaign. Prince Harry, Baroness Doreen Lawrence, Sir Elton John and his husband David Furnish, Sadie Frost, Liz Hurley and former Lib Dem MP Sir Simon Hughes failed to prove any of their 97 allegations of unlawful information gathering, including phone-hacking, in an 11-week trial held this year. Any application for a potential appeal will only be dealt with after the question of costs has been finalised. It has now been revealed that the Mail publisher spent £34,481,622.54 fighting the case. Six of the seven claimants had …