Police are investigating reports that a man indecently exposed himself to three girls in Abbey Park in Lincoln.
The incident took place between 3.30pm and 3.40pm on Tuesday, December 23 in the park on Monks Road.
The man reportedly beckoned the girls over to him before indecently exposing himself. The girls ran off immediately after.
The offender is described as white and aged in his mid 20s with short brown hair. He was around 5ft 8in in height, of average build and wearing a pink-red hoodie top and blue-black jeans.
Anyone with information relating to the enquiry, as well as anyone that thinks they recognise the man described, should contact Lincolnshire Police on 101 quoting incident number 258 of December 23.
Alternatively, people can contact the independent charity Crimestoppers anonymously on 0800 555 111.