Overview

• Four members of the Gravellona Toce family, including grandparents and a 4-year-old girl, died after their Fiat Panda came to an unexpected halt in the A1 Base tunnel and was rear-ended by a truck.
• The sole survivor, 35-year-old Silvana Visconti, remains in critical condition at the Careggi trauma center following emergency extraction.
• The Procura di Firenze has launched a criminal inquiry to assess possible mechanical or electronic failures in the Panda and to evaluate the truck driver’s braking response.
• Forensic teams are reviewing tunnel surveillance recordings and vehicle telemetry, and prosecutors note that the truck driver tested negative for alcohol and drugs.
• Gravellona Toce has declared a day of mourning and activated community support services to assist the surviving mother and her relatives.