Commander Mannoni also told reporters that the police are investigating the causes of and responsibility for the crash.
Clooney was driving a motor scooter to work on Tuesday morning when he collided with a Mercedes making a sudden left turn. The car's driver assisted George after the crash and reportedly called an ambulance, according to NBC. He and Amal left via a side exit, where they were met by a private vehicle to take them back to their accommodation. "He is recovering at his home and will be fine", spokesman Stan Rosenfield told The Associated Press in an email. Authorities say that Clooney was not seriously injured and confirm he was released from the hospital a short time later.
The actor and director, 57, was taken to hospital following the incident but was later discharged with a minor knee injury, state news agency Ansa reported.More news: Wimbledon 2018 -- Serena Williams reaches Wimbledon semifinals
The John Paul II hospital in Olbia confirmed Clooney was treated there and released after a few hours.
Wife Amal, 40, came to collect him and the couple left in a chauffeur-driven auto. The photo showed the car's windscreen smashed.More news: Barcelona set their sights on Eden Hazard
Prior to being taken to the hospital, at the scene, Clooney had complained of "a slight trauma to the pelvis and bruises to one leg and an arm".
Last month, George's spouse paid tribute to the star in a heartfelt speech when he was awarded the American Film Institute's Life Achievement Award.More news: Woolies, Aldi and IGA recall frozen vegetables over deadly listeria fears