Lord Patten tells me the BBC Trust looked at whether they could get money back from George Entwistle's payoff but lawyers said it wasn't possible.
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The event, which was held at the Dorchester Hotel last Thursday, was attended by representatives of some of Britain’s biggest companies.
Reports in the Daily Mail and the Telegraph said published guidance has been changed for 2018 to only fly the Union flag on Remembrance Day.
The author, who explored feminist themes, was best known for her Earthsea books.