Arson and Explosives Squad detectives are investigating two suspicious fires in Melbourne's north-west this morning.
The first incident occurred at a tobacco store on East Street, Hadfield about 5am.
The second incident occurred at a store at a shopping centre on Gladstone Park Drive, Gladstone Park about 5.45am.
Nobody was inside either premises at the time and the stores sustained significant damage.
Investigators are treating the fires as targeted attacks and will look at any possible links to other recent fires.
Police are keen to speak to anyone who witnessed the fires or who may have CCTV or dashcam footage.
Investigators urge anyone who has further information to contact Crime Stoppers on 1800 333 000 or submit a confidential report at www.crimestoppersvic.com.au
