A 29-year-old man has been involved in a workplace accident in western Sydney this afternoon, falling on a hospital construction site in Blacktown.
The man is in a serious but stable condition after falling three metres onto concrete.
According to CareFlight, the man sustained a severe head injury and was attended to by medical staff from the hospital.
The CareFlight helicopter was called just before 2pm and arrived within minutes.
The man has been placed in an induced coma and has been taken to Westmead Hospital.