Suspicious person - Beechboro
The man is described as 40 to 50 years of age, with a long grey beard. He had a light coloured bicycle with him.
Several people were in the park at this time and detectives urge anyone who saw him, or the man himself, to come forward.
Anyone with information relating to this incident, or who have dash-cam vision of the area of Danube, Madeira and Darwin Avenues between 9.45am and 10.45am, is asked to call Crime Stoppers on 1800 333 000 or report online at www.crimestopperswa.com.au