ROCKINGHAM Police have reported a motorcyclist throwing rocks at vehicles in Baldivis.
On Monday at 10.50pm a vehicle windscreen was smashed on Eighty Road.
Yesterday at 12.30am an ambulance window was smashed on Kulija Road.
Police are calling for anyone with dash-cam footage of the motorbike to take it to Rockingham Police Station.
Anyone with information should call Crime Stoppers on 1800 333 000 or make a report online.