Mandurah Detectives are investigating a suspected stabbing in Madora Bay.
Emergency services were called around 12.10am on Sunday, January 18 after the man in his 30s was assaulted on Britawast Road, near Addingham Road.
Police and St John WA attended the scene and found the victim with a "serious laceration type wound" to his neck.
The man was conveyed by ambulance to Fiona Stanley Hospital for medical treatment.
Detectives urge anyone with any information relating to this incident, to make a report to Crime Stoppers online at www.crimestopperswa.com.au or by calling 1800 333 000.
Reports to Crime Stoppers can remain anonymous.
Teen accused of ordering firebomb attack on Baldivis tobacco shop
City of Mandurah sees sharp rise in animal cruelty reports
Geoff Valentine returns to Peel Thunder as senior coach
Golden Bay woman charged with lacing colleague's curry lunch with snail poison
Cooloongup man charged over alleged sexualised online conversations with a child
Bushfire readiness takes centre stage at City of Kwinana's free Summer Sounds festival
WA Open Golf Championship to tee off at Secret Harbour Golf Links
Halls Head named WA's most persistent storm damage hotspot
Four illegal e-bikes to be crushed after police crackdown in Halls Head, Falcon