POLICE are investigating a large factory fire at Auburn (pictured).
Emergency services were called to the factory on Byrne Street, about 3.45am last Thursday.
Fire-fighters were able to extinguish the blaze, which caused significant structural damage.
The premises and its surrounding businesses were closed at the time.
It is not yet known if the fire is suspicious, with inquiries continuing.
Police are urging anyone with information in relation to this incident, to call Crime Stoppers on 1800 333 000. Information you provide will be treated in the strictest of confidence.