A man aged in his 40s has died following an incident south of Perth, triggering a homicide investigation and police appeal for footage.

Police have issued an appeal for footage as homicide squad detectives investigate a fatal assault inside a home.

Police have issued an appeal for footage as homicide squad detectives investigate a fatal assault inside a home.

A murder investigation is underway after a 76-year-old man was found dead inside a home in a WA town by paramedics.

A 63-year-old man who was being questioned by police after a body was found inside a home in York has been released without charge.

A 63-year-old man who was being questioned by police after a body was found inside a home in York has been released without charge.

A WA Police officer is believed to have taken his own life overnight in a Perth facility, with an investigation now under way.

A WA Police officer is believed to have taken his own life overnight in a Perth facility, with an investigation now under way.

A young man has died after his car was smashed to pieces when it crashed into a tree in Perth, with the confronting scene traumatising police.

A young man has died after his car was smashed to pieces when it crashed into a tree in Perth, with the confronting scene traumatising police.