Police are appealing for more information after a 15-year-old boy was approached by a man at the George Campbell Leisure Centre in March.
The victim was in the men’s changing rooms when a man approached him and made comments of a sexual nature between 11.30am and 12.45pm on Sunday, December 7.
The man is described as being between 25 and 40 years-old, of medium build with short brown hair.
Det Con Rachel Weeks said: “The victim is shocked and embarrassed by what happened so I would urge anyone who may have information to contact police.
“I am keen to speak to the man in the CCTV images as I believe he has important information about what happened.”
Anyone with information should call DC Weeks on 101 or Crimestoppers, anonymously, on 0800 555 111.