Fremantle Detectives are seeking witnesses to a robbery that occurred in Coolbellup on Thursday 3 June 2021.
Around 6.30 am the victim, a woman in her 20s, was walking along Antigonas Way when a man on a BMX style bicycle threatened her and grabbed her necklace off her neck, before riding off.
He is described as dark skinned, 20-25-years-old, medium build with short brown hair, wearing dark coloured pants and jumper riding a BMX style bicycle.
At the time the victim saw a woman walking a large, dark coloured, short haired dog in the immediate vicinity.
Fremantle Detectives wish to speak to anyone who witnessed the robbery, particularly the woman walking her dog.
Anyone with information is asked to call Crime Stoppers on 1800 333 000 or report online at www.crimestopperswa.com.au