An 11-year-old boy was assaulted at a park in Rosneath, police report.

They are appealing for information after the child was attacked at about 7.45pm on August 15 in Howie Memorial Park, Clachan Road.

The suspect was an older boy of about 17-years-old. Police described him as wearing a dark blue t-shirt, with dark baggy shorts.

Anyone with information is asked to contact PC Gallagher at Helensburgh police office on 101.