An 18-year-old man has been arrested following the report of a sexual assault in Mansfield Woodhouse.
He has been bailed pending further enquiries.
It relates to an incident behind the Anvil pub, on Portland Street, that happened at around 9pm on Friday (4th April).
The victim, a 16-year-old girl, is helping officers with their enquiries.
Anyone with any information should contact police on 101, quoting incident 992 of 4th April 2014, or call Crimestoppers anonymously on 0800 555 111