Chief Superintendent Steve Neill says officers would like to hear from people who may have seen anything unusual in Stanley Street at any time in the last few days.
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Kerrie Gosney brings you Saturday night's forecast
Showers becoming heavy and thundery Saturday afternoon. Drier for a large part of Sunday
Robert Hodgson, from Stanley, County Durham, committed the offences on the girls, aged as young as five or six, up to the age of 13.