Fear of a fire starting from the sign of a commercial business in Porto Torres .
The electric arc produced by the power cable was igniting the waterproofing sheath of the terrace above.
The risk of a fire with much more serious consequences forced residents to alarm 115.
The noise of explosions and sparks has created concern among citizens .
It happened yesterday in a place not far from the city center. The fire brigade team from the local detachment intervened on site to make the electrical system safe.
The red helmets who intervened isolated the entire system of electrical wires, avoiding major consequences .
The sign has been repositioned and arranged according to safety regulations.