Car on fire at dawn in viale Colombo in Quartu .
Destroyed a Smart owned by a housewife who had parked it the night before.
The alarm was raised by passing motorists, with the immediate arrival of the carabinieri from the radio-mobile unit and the fire brigade.
The stake was limited and tamed. The investigations were then started to trace the causes of the fire and any responsibilities.
The flames developed at 4.30. No traces of flammable liquid were found on the spot.
