The car crash involved a Mercedes G-Class SUV and an Opel Corsa, resulting in the death of Pietro Silva Orrego, a 19-year-old passenger who suffered cardiac arrest.Another passenger is in serious condition at Policlinico after surgery, while a 23-year-old woman from the SUV was treated at San Raffaele Hospital.The 20-year-old Mercedes driver, who was speeding without a valid license, is in custody as investigations continue with evidence from security cameras and witness reports.