A man has died, and another man is undergoing surgery following a physical altercation in the Hunter region overnight.
About 3.30am today (Friday 8 March 2019), officers from Newcastle City Police District were called to Donald Street, Hamilton, following reports two men were fighting in the street.
On arrival, police were told the men left the area in a vehicle, which was possibly being driven by a third man.
A short time later, officers attended a home unit on Cody Street, Hamilton South, where they located the body of a 51-year-old man.
They also located a 23-year-old man with serious head injuries.
He was treated at the scene by NSW Ambulance paramedics, before being taken to John Hunter Hospital, where he is undergoing surgery.
Crime scenes have been established at the home and on Donald Street, which are being examined by specialist forensic officers.
Local detectives are investigating the circumstances surrounding the incident.