A further four men have been arrested on suspicion of conspiracy to rape after three more houses were searched in Newcastle and South Tyneside today.
This brings the total number of people arrested as part of Operation Sanctuary to 25.
Those arrested yesterday have been bailed.
Police are continuing to urge anyone who knows a victim - or who believes they have been a victim themselves - to come forward.
People can contact police on 101 or speak to their local neighbourhood officers who are out and about patrolling in the area or call the independent charity Crimestoppers on 0800 555 111.
More top news
A look ahead at the forecast for the Tyne Tees region.
A businessman who ran three international export companies from his County Durham home has been jailed after an investigation by HMRC
A "vicious and scheming" killer murdered her boyfriend then tried to recruit a local butcher to help her dispose of his body has been jailed