Rome, November 29 - Four people died in a weather-related road accident late Wednesday night while heavy storms continue to batter Italy Thursday, causing flooding, landslides and interrupting transportation. Valentina Zaccaria, 18, is hospitalized in critical condition after a tornado threw the car her mother, 36-year-old Maria Giovanna Di Castri was driving into another lane, killing Di Castri and two other family members Marisabel Di Castri, 17, and Annita Capobianco, 43. Giovanni Rogoli, 59, who was driving the car in other lane that Di Castri's vehicle was thrown into, was killed on impact. A 29-year-old employee of the ILVA steel plant in the Puglia city of Taranto is still missing after a tornado blew the crane he was working on into the company harbor on Wednesday. Taranto's civil protection unit said that ILVA production sites, which remain at the center of a legal-political dispute which could lead to its permanent closing, were battered by heavy storms earlier in the day but were secure. Civil protection said on Thursday that around 15 families from the town of Statte near Taranto were forced to sleep in hotels after the same tornado that struck the ILVA factory destroyed their homes, uprooted century-old trees and damaged the town's historic belltower. Mayor Angelo Miccoli of Statte said that damage from the storm is estimated to be at least 15 million euros. In Tuscany, the regional government has declared a state of emergency and for 50 million euros in assistance after flooding caused mudslides covering roads and damaging homes throughout the region for the second time in two weeks. The region of Veneto is on high alert as river levels continue to rise throughout the region. Water levels in the city of Venice reached 127 centimeters on Thursday, but could continue to rise, said civil protection services. The Sicilian city of Trapani was battered by violent hailstorms, damaging automobiles and mildly injuring several who were taken to the local San Vito and Santo Spirito hospitals for treatment. Ferry and hydrofoil services between Naples and the Gulf of Naples islands have been suspended as waves measuring up to 3.5 meters thrashed the coast and gale-force winds damage buildings.