A prisoner has been airlifted to hospital after an assault at Bunbury Regional Prison.
The 40-year-old man was involved in an altercation with another prisoner around 9am on Sunday.
He suffered serious injuries and was conveyed to Bunbury Hospital before being airlifted to Royal Perth Hospital where he remains in a critical but stable condition.
A 38-year-old man is assisting police with their inquiries.
Mandurah teacher who raped student to remain on bail
A Mandurah teacher who raped a student and gave birth to his child will remain on bail for several months in order to undergo a psychiatric assessment.
Man charged after allegedly exposing himself to girl on Transperth bus in Lakelands
Child Abuse Squad detectives have charged a 31-year-old man over an alleged disturbing incident onboard a Transperth bus in Lakelands.
Fire rips through Golden Bay home
A fire has torn through a home in Golden Bay.
Firefighters battle bushfire near Nambeelup
Firefighters have spent the night battling a bushfire near Nambeelup.
Alcoa Children's Festival cancelled due to severe weather
The annual Alcoa Children's Festival scheduled for Saturday, March 28 has been cancelled due to extreme weather.
Man charged over crime rampage from Furnissdale to Kwinana
A 26-year-old man is behind bars over an alleged crime rampage through the southern suburbs.
Damaging winds forecast for Harvey, Dwellingup, Pinjarra
A severe weather warning has been issued for Pinjarra, Harvey and Dwellingup.
Southern suburbs man claims $15 million Lotto win after eventually answering life-changing call from Lotterywest
A southern suburbs man has finally come forward to claim a $15 million Oz Lotto prize.
Two women taken to hospital after Kwinana Freeway crash
Two women have been taken to hospital after a crash on the Kwinana Freeway in Stake Hill.