# Homicide investigation in Melbourne, Australia

> Live situation record from CLSTR: https://clstr.news/situations/homicide-investigation-in-melbourne-australia
> Updated: 2026-08-21T16:53:14.000Z. Sources: 9. Developments: 2.

In Melbourne, Australia, police arrested a 45-year-old man following the death of 39-year-old Annmarie O’Reilly in the suburb of Ferntree Gully. Emergency services discovered the Irish national suffering from serious injuries at a residence on Ferntree Gully Road.

Witnesses reported the suspect was wearing a hazmat suit at the time of his arrest near the property. While investigators believe the deceased and the suspect were known to each other, the specific cause of death and the nature of their relationship remain under investigation. Victoria Police stated there is “no active threat” to the community.

## Timeline

### 2026-08-21: Melbourne police arrest man after Irish woman found dead

A 45-year-old man is in custody in Ferntree Gully, Australia, after 39-year-old Irish woman Annmarie O’Reilly was found dead in a residential home.

7 sources. https://clstr.news/cluster/melbourne-police-arrest-man-after-irish-woman-found-dead

### 2026-08-17: Police arrest suspects in separate murder investigations in Australia and the US

Police in Australia and the US have made arrests in separate murder investigations involving the discovery of human remains after long-term disappearances.

2 sources. https://clstr.news/cluster/police-arrest-suspects-in-separate-murder-investigations-in-australia-and-the-us

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Cite as: Homicide investigation in Melbourne, Australia. CLSTR, https://clstr.news/situations/homicide-investigation-in-melbourne-australia