Senior police will address the media after investigations were launched into four fires in Campbelltown overnight involving two homes and two cars.
It is not clear at this stage of the investigation if the four fires are related.
Detective Inspector Andrew Mackay, crime manager at Campbelltown City Police Area Command, will lead the media conference at noon.
The first fire emergency services were called to was a home on Towner Avenue, Airds just before midnight last nighbt (Sunday).
Fire and Rescue NSW attended and found the home well alight before extinguishing the blaze. The house was destroyed; however, there were no reports of any injuries.
The cause of the fire is not yet known and officers from Campbelltown Police Area Command established a crime scene and commenced an investigation into the circumstances.
Just after 12.45am (Monday), emergency services were called to a home on Briggs Place, St Helens Park, which was on fire.
Fire and Rescue NSW attended and found the home alight before extinguishing the blaze.
An elderly resident had been evacuated by neighbours and there were no reports of any injuries.
Officers from Campbelltown Police Area Command established a crime scene after reports a vehicle had crashed into the garage before being set alight.
An investigation is now under way into the circumstances surrounding the incident.
At about 1am (Monday), emergency services were called to Rowley Place, Airds, after reports of a car fire.
A Mazda 3 was found alight, and the blaze was extinguished by Fire and Rescue NSW.
Officers from Campbelltown Police Area Command established a third crime scene and launched an investigation into the incident.
A few minutes later emergency services were called to Heyson Way, Claymore, after reports of a second car fire.
This one was a Toyota Corolla and once again the blaze was extinguished by Fire and Rescue NSW.
Officers from Campbelltown Police Area Command established a fourth crime scene and commenced an investigation into the incident.
As inquiries continue, anyone with information or dashcam footage of any of these four fires is urged to call police or Crime Stoppers on 1800 333 000.
