Sharon Henderson, the mother of Nikki Allen who was murdered in Sunderland in 1992, says she fears appeal responses could be hoax calls. The BBC Crimewatch programme broadcast an appeal for information and police said the response was 'overwhelming'.
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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.
In the early hours of Sunday morning a 33-year-old man was stabbed outside Lloyds bank at Haymarket Metro Station.