Police are appealing for information about the cause of a building fire at Goondiwindi on Sunday night.
Around 11:30pm, police and emergency services were called to a fire at the rear of an electrical goods store on Marshall Street.
Firefighters gained control of the fire just after 4am on Monday morning.
Police established a crime scene as they worked with fire investigators to determine the cause of the fire, which remains unknown.
Investigators are appealing to anyone who may have seen anything suspicious in the area at the time to come forward.
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