Hannah Clack from the Alzheimer's Society told Daybreak that the Government have made an important first step in supporting dementia sufferers but that "there is still a long way to go".
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A 29-year-old Frenchman - named by police as Smail Ayad - has been arrested on suspicion of murder.
The former Ukip leader told ITV News he thinks Trump can go all the way "if he sticks to his campaign messages".
Trump introduced Farage as "the man behind Brexit" who had won "against the odds".