One man was left in a critical condition and one sustained minor injuries in an incident on Ficus Road, in Westmead, in the early hours of this morning.
Upon arrival at a business ER24 and EMRS paramedics found that one man had been shot multiple times.
Another man was assessed and found to have sustained bruising to his arms and legs, believed to have been sustained during the scuffle
They were treated and transported to hospital for further medical care.
A third man was also taken to hospital for further assessment.
The exact cause of the incident is unknown.
Authorities were on scene for further investigations.