for a third time on Tuesday night after a small "hot spot'' rekindled itself.

An area measuring about eight feet by eight feet was burning when they arrived and was quickly extinguished.

On Sunday night, the entire top floor of the two-storey derelict building was completely destroyed by fire, while the ground floor suffered substantial damage. Two days earlier, firemen put out a mattress fire in the same house.

Police and fire officials are investigating the possibility of arson.