Police are investigating a robbery at a business in Kwinana.
About 1.45am on Monday, November 13, an unknown person/s broke into the business on Chisham Avenue.
Once inside, they stole the contents of a safe and some sets of keys before leaving the scene.
Inquiries are continuing with Mandurah Police.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or online at www.crimestopperswa.com.au