Four hundred police officers are now working on child sex grooming cases in Greater Manchester, it has emerged.
Detectives are investigating three other major alleged incidents involving young female victims after doubling the number of officers investigating claims of abuse. It brings the total number of recently completed or on-going investigations into the abuse of teenage girls to six.
Nine men from Rochdale are due to appear in court in the coming weeks after they were charged this week with a series of sexual offences dating back to 2008 including rape involving a single victim.
In May another nine men also from Rochdale and neighbouring Oldham were jailed for a total for 77 years for trafficking and raping young victims the youngest of which was 13.
Meanwhile, officers have made a series of arrests in connection with alleged child exploitation in Stockport. The location of the new investigations has not been disclosed.