Police are urgently seeking information after an aggravated home burglary in Greenfields.
A woman in her 60s was threatened with a machete around 4.30pm on Thursday in a home on Balwina Road.
The offender with the machete smashed the woman's mobile phone with the weapon before ripping off jewellery from her neck.
A second offender grabbed a knife from the kitchen and held it to the woman's neck, demanding money before running from the home with a sum of cash.
Detectives believe the two males pictured can assist with their inquiries and are urging them to come forward.
Anyone who sees the two males is advised not to approach them but call police immediately on 131 444.
Anyone who can identify the males in the vision, or who has any information relating to the robbery, or who has CCTV or dash-cam vision of the street is asked to call Crime Stoppers on 1800 333 000 or to make a report online at www.crimestopperswa.com.au.
Nearly 100 new rentals to be built in Mandurah
Blue swimmer crabs off limits during season closure
Fire crews on scene of Meadow Springs house fire
Perth's southern suburbs declared One Nation's 'heartland' after Secret Harbour by-election victory
Construction contract awarded for Kwinana Freeway upgrade
Port Kennedy humpback whale buried at landfill facility
Secret Harbour by-election: Where to vote on August 29
Mandurah man charged over role in alleged sophisticated cybercrime syndicate
Locals urged to look out for man who removed electronic monitoring device