He orders a small bottle of water at a table in a restaurant in the center of Carbonia , but after opening it and taking a few sips, he feels a strong burning sensation in his mouth and throat.

He asks the diners for help and the restaurant managers also rush to the scene : the bottle, even though sealed, contained a highly irritating substance and only the rapid intervention of the 118 emergency services and the emergency room doctors prevented the worst from happening.

There were moments of panic on the evening of December 30th when Alessandra Madeddu, a fifty-three-year-old engineer from Carbonia, felt ill while spending the evening in the center of Carbonia for an aperitif with friends.