Una Crown reward poster
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Una Crown: New appeal in hunt for widow's murderer

11 July 2013 Last updated at 14:24 BST

Police have started door-to-door inquiries in the Cambridgeshire town of Wisbech as the family of an 86-year-old widow made a fresh appeal to catch her killer.

Una Crown's body was found in her burned-out bungalow in Magazine Lane six months ago.

Her niece, Judy Payne, said the murder of her "kind-hearted and very private" aunt was "beyond comprehension".