Detectives have identified thirty women they want to trace as part of an Operation Sanctuary, the investigation into the sexual abuse of teenage girls and young women on Tyneside.
25 men and two women have been arrested this week on suspicion of conspiracy to rape after a series of raids.
They have all been bailed.
Constable Gary Calvert from Northumbria Police says they are appealing for more information and are supporting young victims who have already done so.
More top news
Durham Police add 'emergency lifelines', designed to save people from drowning, to response vehicles after an idea by front line officers.
A report was launched at this year's Conservative conference and follows the 'devolution revolution' speech from the Chancellor.
The pair defrauded Durham County Council out of nearly £100,000 but were given suspended sentences.