The next BBC Director-General Tony Hall called the BBC "an extraordinary organisation" that is "an essential part of the UK, of Britain, of who we are".
Lord Hall said, "It's been a tough few weeks for the organisation. I know we can get through it, by listening patiently, by thinking carefully about what to do next".
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Michael Fallon has received reassurances from his US counterpart that security ties with Britain will "endure" following a vote for Brexit.
On Friday, police said it appeared the girl had shot herself in the face with the weapon.
The showers will be slow-moving, heavy and thundery at times, particularly in central and eastern areas.