Humberside Police are appealing for members of the public to be aware that a man has been reported to have been exposing himself to walkers in Central Park in Scunthorpe.
Police have received a number of calls recently, the latest one was on Saturday 13 September 2014 at 1950hrs.
The suspect is described as wearing a burgundy t-shirt, a beanie hat, black wellington boots and beige coloured underpants. He was not wearing trousers.
Investigating officers have asked for anyone who sees anyone acting suspiciously in the park to contact them immediately on 999.
Anyone who may have witnessed the incident on Saturday or any previous incident to contact them on the non emergency telephone number 101, quoting log number 668 of 13 September.