Bracco, was allegedly onboard the yacht when it caught fire and sunk last week. Ms Bracco is part of the Bracco group, one of Italy's largest pharmaceutical companies. Bracco is also the former vice-president of Confindustria, the largest organisation representing manufacturing companies in Italy.
Holidaymakers had looked on as smoke started billowing from the huge yacht, called the "If Only", early on Thursday afternoon before it finally sank at around 10pm at night. The boat was located 6km south of Nice airport in the French Riviera.
The 11 passengers on board the Italian yacht were all rescued from the fire. One was taken to hospital in nearby Antibes.
AFPIn total, six boats and 66 firefighters intervened to put out the blaze. It is believed the boat is currently 650 metres underwater.
Fireboats approach the boat 'If Only' on fire off Saint-Laurent-du-Var. AFP
Emergency teams collected bits of debris which had risen to the surface including furniture and lifeboats.
On Friday morning, investigations into any pollution damage that may have been caused by the event were launched.
AFP
Other people sailing in the area were warned about the presence of floating debris.
