Worker dies in Sydney's southwest

A worker has died in Sydney's southwest after reportedly falling from a construction site.

Emergency services were called to Liverpool around 12.30pm on Thursday after reports a man had fallen.

Police say a 52-year-old was treated by paramedics but died at the scene.

He is yet to be formally identified.

Police and Work Cover have begun an investigation, with a report wto be be prepared for the coroner.