A prisoner has died at Casuarina Prison.
"Prison officers found the 32-year-old Aboriginal man unconscious in his cell around 1.30pm (on Sunday)," The Department of Justice said in a statement.
Officers and prison medical staff provided first aid before paramedics arrived but the man was declared deceased at the scene.
There were no suspicious circumstances surrounding the prisoner's death.
WA Police will prepare a report for the Coroner.
Concerns for missing man last seen in Medina
Man charged after slashing victim's neck with glass in Madora Bay
Rockingham disability accommodation and social housing refurbished thanks to State Government grant
Local fishers asked to have their say on extending crabbing season closure, simplifying bag and boat limit rules
Detectives hunt driver who reversed into Mandurah tobacco store
Mandurah Crab Fest boasts huge range of free, family friendly entertainment
Fuel prices surge in Perth, Mandurah
Teen boys charged over Mandurah burglaries
Tragic update in search for missing man Robert Snyder