A MAN in his mid-40s had been stabbed at a home near Baldivis Primary School.
Police said the incident involved an altercation between two men in a nearby home.
One of the men ran to a nearby carpark along Fifty Road and waited for police to arrive.
He was taken by St John Ambulance to Rockingham General Hospital under priority one conditions, with multiple lacerations to his abdomen.
A spokeswoman said he was stable when he was transported.
Another man is in police custody and inquiries are ongoing.