Mandurah Detectives are investigating an Armed Robbery that occurred in Dawesville on Sunday 10 November 2019.
Around 3.15 pm four teenage boys were fishing on a jetty in Estuary Road, approximately 300 metres north of the Dawesville Foreshore Reserve.
They were threatened by four males aged between 17 and 21 years old, one armed with a machete and another with a bottle.
They stole phones, cash and jewellery before leaving the area in an older model, dark Subaru Forester, with faded paint down the side and a plastic pod on the roof.
The boys were uninjured.
Anyone who may have witnessed the robbery, has dashcam footage of the vehicle or the area at the time of the robbery, or has any information is asked to call Crime Stoppers on 1800 333 000 or by making a report online at www.crimestopperswa.com.au. Reports can remain anonymous.