Detective Superintendent Lewis Raw from North Yorkshire Police explains how a DNA profile could help identify the body of a woman found on Sutton Bank in 1981.
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The remains of 17th century Scottish soldiers are to be reburied in Durham. They had been captured in a Civil War battle in 1650.
The 16-year-old became the second woman in British History to win an Olympic medal in gymnastics.
The proposals have prompted protests by local residents.