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 colours red, white and blue have been projected onto the monument following yesterday's terrorist attack at Westminster.
After Wednesday's downpours things are looking more settled.
Durham PCC, Ron Hogg is urging members of the public to "stay strong and stay together" by sharing intelligence to defeat terrorism.