Northumbria Police have arrested a 43-year-old man on suspicion of the murder of a seven year old girl in Sunderland.
Nikki Allan was stabbed 37 times and attacked with a brick in October 1992 years ago in Sunderland.
Her body was discarded in a derelict warehouse near to her home.
In November 1993 a man was found not guilt of the murder, he was brought .
Anyone with any information is requested to contact Northumbria police on 101.
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