Detectives investigating a series of indecent exposures in Mansfield and Ashfield have arrested a 24-year-old man.
The man was arrested in Mansfield on Thursday and remains in custody pending further questioning.
It follows a number of incidents of indecent exposure in the area over the last few weeks.
Officers have increased patrols in Mansfield, Teversal and Stanton Hill, to reassure the community.
A number of witnesses have been spoken to and investigations are ongoing.
Anyone with information who has not already spoken to police should call 101 or Crimestoppers in confidence.