Leonardo Bove, a sixteen-year-old Virgilio High School student who was critically injured in the Crans-Montana fire, was transferred last night to Milan's Niguarda Hospital. He had previously been hospitalized in Zurich, where he got emergency care following the fire.The youngster has burns that cover half of his body, as well as injuries from inhaling toxic chemicals. His admission brings the total number of patients now hospitalized at the Niguarda burn facility to twelve. All are in serious condition and receiving a guarded prognosis.