A female around 18-years-old was raped in a park in Mapperley last month.
The incident took place at Digby Park, in Digby Avenue, Mapperley, on April 16, 2023.
An 18-year-old has been detained after the report was made on May 2, 2023.
He was arrested that day and later bailed pending further inquiries.
Detectives are appealing for witnesses and information.
As part of the investigation, detectives want to trace anyone who may have information that could assist the inquiry.
Detective Constable Liam Cowan, who is leading the investigation, said: “This was an extremely upsetting ordeal for the victim and specially trained officers are supporting her.
“Although we have made an arrest, our investigation continues and I would urge anyone with information to please come forward.
“The incident happened on a bench near to the basketball court between 9pm and 9.30pm on 16 April 2023.
“Did you see anything? If so, please call 101 quoting crime number 23*264790.
“Alternatively call Crimestoppers anonymously on 0800 555 111.”
