Police are hunting for a man who exposed himself in the peace garden behind St Mary’s Church, Horsham, at about 4pm on Friday May 31.
Two girls aged 16 and ten witnessed the man, who has been described as white, 40 to 50 years-of-age and about 5’ 4” tall.
Officers say he had a beer belly and was wearing light blue jeans and a blue and white stripped top.
A police spokesperson said: “This was a very upsetting incident for the two young girls who witnessed it and we are anxious to find the offender as quickly as possible.
“If anyone recognises the description of this man then we would urge them to call police on 101, quoting serial 0950 of 31 May. Alternatively call the independent charity Crimestoppers anonymously on 0800 555111.”