Bunbury detectives are investigating an assault at a tavern in Kirup that has left a man in a critical condition.
Police said an altercation occurred between two men at a tavern on the Western Highway last Friday, resulting in a 56 year old male receiving serious head injuries.
He is currently at RPH in a critical condition.
Detectives would like to speak to a man in his 20s who they believe may be able to assist them with their inquiries.
The man is described as fair skinned with a muscular build.
The July 14 altercation happened between 8:30 and 9:30pm.
Anyone who may have seen the man or have information relating to the incident is asked to call Crime Stoppers on 1800 333 000, Bunbury Police Station or make a report online at www.crimestopperswa.com.au
Australia Day in Rockingham and Mandurah
Police investigate after man stabbed in the neck in Madora Bay
Teen boy tragically killed in horror Mandurah crash
18-year-old male from Lakelands charged over incident in Pinjarra
Hayden Ballantyne signs with Rockingham Rams
Mayor reassures community that 'no decision has been made' to close 4WD access at Tim's Thicket, White Hills beaches
DBCA 'sick and tired' of illegal access to Port Kennedy Scientific Park
Mandurah homeless camp goes up in flames