Two men are believed to be on the run armed with a knife in Perth’s south after a man was found seriously injured on a highway.
Police are responding to the unfolding incident on Canning Highway at Hensmen Street in South Perth.
They suspect at least two men fled the scene and could be armed.
“A number of resources are currently at the scene and members of the public are asked to avoid the area,” police said.
An investigation is underway. 
No further information is available.
Anyone with information or who witnessed the incident is asked to contact police immediately on 131 444.