Thames Valley Police is appealing for witnesses following an exposure incident in Bletchley.
Between 3pm and 4pm on Sunday 18th August, the offender was watching children play in Tattenhoe Lane Local Park and performed an inappropriate act.
The offender is described as an Asian man, aged between 40 and 50-years-old, clean shaven and had black, greying hair.
He was wearing a checked coloured top and was pulling a blue and black checked material shopping trolley.
Investigating officer PC Callum Czajkowski said: "We are appealing for witnesses following this exposure."
"While it is not believed that there is any wider risk to the public relating to this incident, members of the public may see an increased police presence in the area while we investigate and conduct our enquiries."
"Anyone with information can contact police by making a report online or by calling 101, quoting reference 43240397309."
"Alternatively, if you wish to remain anonymous, you can contact the independent charity Crimestoppers on 0800 555 111 or via their website."
