Man arrested after three people die in attack in Sydney home
Moderated by Tomas Kauer 
A man is in custody after three people died in a home in Sydney's south-west overnight in an alleged attack.
It was initially reported the trio were assaulted by someone known to them in the early hours of the morning at a home in Rosemeadow, with emergency services arriving at the house on Juliet Close just after 1.30am.
Inside, they found a 64-year-old man with serious head injuries, and the bodies of a man and a woman.
WORLD: New US warning over Strait of Hormuz 'tollbooth'
The bodies found in the home are believed to be of a man in his 20s and a woman in her 60s.
They have not been formally identified.
READ MORE: Floral tributes grow as Alice Springs mourns five-year-old girl
The injured man was treated by paramedics at the home and was taken to Liverpool Hospital, but he later died.
About an hour later, a silver sedan arrived at the home, and police arrested the driver, a 32-year-old man.
READ MORE: Scammers attempt to extort Sydney removalist with sudden flurry of negative reviews
He was taken to Campbelltown Police Station pending further inquiries, but has not been charged with any offences.
A crime scene has been established, with officers connected to the Homicide Squad beginning an investigation.
A report will be prepared for the coroner.
Anyone with information on the incident is urged to contact Crime Stoppers.
NEVER MISS A STORY: Get your breaking news and exclusive stories first by following us across all platforms.
- Download the 9NEWS App here via Apple and Google Play
- Make 9News your preferred source on Google by ticking this box here
- Sign up to our breaking newsletter here
