A 13-year-old girl has been raped on playing fields near to Oldham Athletic's Boundary Park stadium.
Police say they were called after reports of an attack at Clayton Playing Fields in Chadderton on Wednesday 17 July.
A 15-year-old boy has been arrested and remains in custody for questioning.
Police would like to hear from anyone who was in the area between 4pm and 6pm - and are particularly interested to speak with anyone who has dash cam footage of the area during this time.
The victim is being provided with support from specially trained officers.