Police are investigating the deaths of three people found in a home in south-west Sydney. Multiple outlets report that the bodies were discovered on Monday night, prompting an expansive police operation at the residence. Officers are on scene conducting checks and coordinating investigative work as the circumstances surrounding the deaths are examined. Authorities have not been reported as releasing details about the identities of the deceased, any suspected cause of death, or whether police consider the incident to be criminal at this stage. The operation is focused on securing the scene and gathering information to support subsequent inquiries. The reports agree on the timing of the discovery and the fact that police presence remains significant at the property as investigations continue.