Fire during the night in Quartu Sant'Elena , with flames that engulfed the roof of a house in Tazzoli Street .
The damage to the structure was considerable : the house was reportedly half destroyed and uninhabitable , one family was evacuated .
Firefighters are working to put out the flames and reconstruct the causes of the blaze, which was started by a Chinese lantern .
A patrol car from the Cagliari police station also intervened on the scene .
