Police officers are investigating a report of indecent exposure in Clumber Park on Monday (April 16).
It happened between 5pm and 6pm and the police would like to hear from anyone who witnessed an offence or anything that they considered inappropriate.
A 30-year-old man has been interviewed under caution in relation to the incident and released under investigation.
Officers are still keen to speak to any potential witnesses.
If you have any information you think may be relevant, please call 101 quoting incident number 641 of April 16.