Sir David Nicholson has signed a wall at an NHS conference to "pledge to become a dementia friend," someone who is trained to help spot the early signs of the disease.
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Thirteen weeks since the power station collapsed and no-one can give the families a clear answer as to when their loved ones will be found.
Cloud and rain set to spread westwards tomorrow bringing a colder feel.
The grey-headed flying foxes have made their home in the coastal town of Batemans Bay, in New South Wales.