Police investigating second fire at Campbellfield factory in a week

Arsonists have attacked a Campbellfield factory for the second time in a week.

Fire crews were called about 3.30am on Wednesday and arrived to find the business completely alight.

Nobody was injured.

Police are investigating and are treating the fire with suspicion.

Two cars and a caravan, parked outside the same factory, were completely destroyed by fire on Monday.

An office in the factory was also broken into.

Anyone with information about the incidents is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential crime report at www.crimestoppersvic.com.au