A 16-year-old boy has been arrested as part of enquiries into a report of a rape in Preston.
Police launched an investigation after a teenager reported that she had been sexually assaulted in a wooded area off London Road on Sunday evening.
The victim is being supported by specially trained officers.
A man in his 20s had earlier been arrested on suspicion of rape and has been bailed pending further enquiries.
Anyone with information should contact police on 101 quoting log 1498 of May 12.