A man and a child are killed in a multi-vehicle crash in Sydney’s west overnight, according to multiple reports. The collision involves several vehicles, and results in two fatalities and three injuries. The injured people are reported to number three, with no further breakdown of their ages or medical conditions provided in the available summaries. The crash occurs during the night, prompting an emergency response in the area. The reports are consistent on the core details: location in Sydney’s west, that the incident is a multi-vehicle crash, and the casualty figures—two deaths and three people injured. No common information is provided across the sources about the cause of the crash, the specific intersection or road involved, or any charges or investigations. Authorities are implied to be responding due to the fatality and injury toll, but the summaries do not include further details about police investigation status. The accounts therefore align on the confirmed outcome and setting, while leaving key circumstances unreported in the provided text.