Two people are assisting police after a man died in an alleged homicide at a home in Cessnock overnight.
The incident occurred at approximately 11pm on Edith Street,Tuesday night.
Police officers were called to a home where a 36-year-old man was found severely injured in the backyard of the property.
The man was treated by paramedics at the scene but could not be revived.
A short time later, a 31-year-old woman and a 32-year-old man attended Cessnock Police Station. Police said the pair were assisting with inquires.
They were questioned by detectives from Hunter Valley Police District; the woman has been released pending further inquiries. The man remains in custody at this time.
A Nissan Patrol 4WD has been seized for forensic examination and a crime scene has been established at the Edith Street home.
It is believed all three people were known to each other.
Any information about the incident that may assist with the investigation should be reported to Crime Stoppers on 1800 333 000.