Heavily armed police respond to reports of shots fired at a property in Horsley Park, in Sydney’s south-west. All outlets report that police are deployed to the location following the initial calls about gunfire. The reports indicate that officers arrive with a high-visibility armed response, suggesting concerns about the immediate safety of people near the scene. The information provided across sources focuses on the police reaction to the report and does not include additional confirmed details such as the number of shots fired, whether anyone is injured, or whether police locate a suspect. No source in the provided excerpts specifies the outcome of the operation, the status of the investigation, or whether the scene remains secured. Further updates are not included in the shared summaries.