Rupert Murdoch is suing ITV and ITN in a row over a video released by The Sun of the Princess of Wales at a farm shop in Windsor. Mr Murdoch’s News Group Newspapers (NGN), which publishes the tabloid title, has filed an intellectual property claim against ITV and ITN, which produces ITV News programmes. The claim is understood to relate to footage of the Prince and Princess of Wales at a farm shop in Windsor in March. The footage, which was obtained exclusively by The Sun, was the first time the Princess had been seen since undergoing major abdominal surgery at a London hospital in January. The Princess has since revealed that she has been diagnosed with cancer. The Sun is thought to be seeking a five-figure sum in compensation for alleged copyright breach after ITV News used the clip in its own coverage. A spokesman for ITV said the channel would “strongly resist” the claim and defend itself. NGN declined to comment. ITN has been contacted for comment. The video, filmed by a member of the public through his car window, shows the 42-year old royal wearing a hoodie and leggings carrying shopping bags through the car park of...