Armadale Detectives are investigating an incident last night which left a 36 year old man with a stab wound to his abdomen.
Around 1.15am, the victim was involved in an altercation with two males on Girrawheen Street in Armadale.
During the incident he received an injury to his abdomen.
He took himself to Armadale Hospital where he is undergoing surgery today.
Anyone with information is asked to call Crime Stoppers on 1800 333 000 or make a report online at www.crimestopperswa.com.au.