Speaking about George Entwistle's recent departure from the role of Director-General, BBC Trust Chairman Lord Patten said he was assured that his pay-out deal was in the "best interests" of the BBC and the licence fee payer.
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South Korean officials said the hotline would help facilitate dialogue and reduce misunderstanding during times of tension.
The Gunners boss has announced he will step down at the end of the season.
Moya Greene will be pursuing ‘a range of other interests, including developing her portfolio career’.