A teenage girl was raped in an alleyway behind a row of shops and takeaways on Washway Road.
Police got the reports of the rape at 9.40am on April 24th that the girl was raped in the early hours.
The girl is being supported by specially trained officers.
A 14-year-old boy was arrested on suspicion of rape. He remains in custody for questioning.
A cordon was in place on Washway Road at the junction with The Drive in Sale but has since been lifted.
Enquiries are ongoing.
Anyone with information should call police on 101 quoting incident number 534 of 24/04/2019, or the independent charity Crimestoppers, anonymously, on 0800 555 111.