Poole Police are appealing for anyone with information to come forward after a suspicious fire at a large house on Leicester road.
The suspected arson attack occured shortly after 18.30 last night. It took over 40 fire fighters to put out the blaze which burned down the entire roof and gutted all the floors.
Thankfully the house was derelict and none of the fire fighters were injured.
Police are urging anyone who saw any arsonists in the area to call the Dorset Police hotline on 01202 222 222.