The Arson Investigation Unit from Melbourne arrived in Shepparton today, to inspect the damage caused during an Edward St unit fire yesterday afternoon.
Emergency services were called to the brick unit on the corner of Edward and Harold Sts, Shepparton, about 12.20pm yesterday where the property was fully involved.
A mother and her son were taken to hospital with suspected smoke inhalation.
The fire has been deemed suspicious and investigations will continue throughout the day.
Police were also on scene supervising the crime scene.