Two children die in Cabramatta after a vehicle hits their pram, according to reports from Western Australia outlets. The incident is described as a serious crash in which the children were fatally injured. A woman who is reported to be known to the children is also involved in the circumstances described by the articles and is treated for minor injuries. Police are described as responding to the scene and investigating the circumstances of how the pram was struck. The available reporting does not provide further details about the driver, the type of vehicle, or the exact timing of the crash beyond characterizing it as a horror incident. The reports also do not indicate any additional injuries besides those mentioned for the woman treated at the scene. All sources are consistent on the core facts: the location is Cabramatta, two children die, and the pram is hit by a vehicle, with a nearby woman known to the children receiving minor injuries.