Police are appealing for information following two incidents of indecent exposure.
On Thursday, 21 July, a man was reported to have indecently exposed himself twice between 4pm and 5pm.
He was first seen on the path between Stoops Lane, Bessacarr, and Lakeside Boulevard, behind Hall Cross Lower School, where he indecently exposed himself.
He was then also reported to have exposed himself on the paths around the lake at Lakeside.
He is white and approximately 50-years-old. He is between 5ft 8ins tall and described as overweight.
He was wearing an orange T shirt with black shorts and black trainers. He also had a black framed mountain bike with grey swirls on the crossbar.
Anyone with information is asked to contact South Yorkshire Police on 0114 2202020 quoting incident numbers A/71650/11 or A/69665/11 of 21 July, or contact Crime stoppers on 0800 555 111.