An investigation is underway following a suspicious house fire at Loxford in the early hours of Thursday morning.
Emergency services were called to a house on Hart Road (near the Hunter Expressway exit) around 3.30am, following reports of a fire.
Fire and Rescue NSW attended and extinguished the blaze.
The house was vacant at the time and no injuries were reported.
Officers attached to Hunter Valley Police District established a crime scene and commenced an investigation into the circumstances surrounding the incident.
Initial investigations suggest the fire may have been deliberately lit.
Investigators are appealing for anyone with information to contact Crime Stoppers on 1800 333 000 or https://nsw.crimestoppers.com.au.