Clooney had been thrown several meters into the air from the impact, and had been rushed to John Paul II hospital emergency room in Olbia.
Mannoni said police are looking into the causes of the accident.
George Clooney is "fine" but recovering after he was hit by a vehicle in Sardinia on Tuesday. The car's driver assisted George after the crash and reportedly called an ambulance, according to NBC. He and wife Amal covertly left the hospital through a side exit and were ferried into a private auto.
"He is recovering at his home and will be fine", the spokesperson continued.
An official at Sassari town hall confirmed to the BBC that Clooney had been involved in a "minor accident" but had no serious injuries.
The north-east coast of Sardinia is popular with the rich and famous, although Clooney is on location on the island to film a new mini-series Catch 22. He was taken to hospital with a possible injury to his hip, state news agency Ansa said.
Serena drops first set but zooms into semis
World No 52 Giorgi blasted 20 winners and really took it to Williams, taking the first set thanks to one break, in the sixth game. I would try to go around her more, rather than through her". "These are the matches we work so hard for, me and my whole team".
Actor George Clooney, best known for his performances in movies like O Brother, Where Art Thou?
'George was treated and released from an Olbia hospital. Photographs taken by someone passing the scene showed the car's front right bumper damaged and Clooney's bike on its side.
Local publication, La Nuova Sardegna, reports that George was hit by the auto after it suddenly changed direction, taking him by surprise.
Taken from a security camera positioned along the road George was travelling along, the actor can be seen crashing head first into the auto, as it drove on the wrong side of the road attempting to turn left.
News of the crash broke yesterday, with initial reports saying the actor had been seriously injured.
He's now being looked after by his wife Amal Clooney, whom he married in 2014 and has has one-year-old twins Alexander and Ella with, at their Italian home.
The English Patient , by Sri Lankan-born Canadian literary icon Michael Ondaatje , has won the Golden Man Booker Prize . A panel of judges read all 52 former winners of the award, with each assigned a decade from the Booker's history.
Investors are also keen for details on Erdogan's new economic team, which is expected to be announced later on Monday. The lira on Tuesday gained back 0.5 percent against the dollar to trade at 4.7 to the greenback.
Meghan wore a deep navy boat neck dress from Dior , that was a similar shape to her iconic wedding dress. Check out some of the photos of the stunning Meghan Markle and her fellow royals at Westminster.
The Aviodrome aerospace theme park in the Netherlands said on its Facebook page that it was "hugely shocked" by the crash. Eyewitnesses described seeing the plane attempt to veer toward Wonderboom airport, then hearing an explosion.
The drama in Thailand has even resonated as far as Russian Federation , where soccer's World Cup is reaching its final stages. They underwent X-rays and blood tests and will remain under observation in the hospital for at least seven days.
Justin Bieber and Hailey Baldwin caught making out at a park
Leaning against a handrail next to New York City's East River, the duo wrapped their arms around each other in front of parkgoers. A New York City stroll - what could be more romantic? Justin Bieber and Hailey Baldwin have sealed their re-romance with a kiss.
Trump tire sur ses alliés — Otan
"Il est vrai qu'après le G7, dont Donald Trump s'est désolidarisé, tout le monde attend ce que va faire le président américain". Le président américain se rend au siège de l'OTAN , puis à Londres, cette semaine, avant un sommet avec Poutine.
Arsenal sign Uruguay's Torreira for $48m
Arsenal are also close to completing another deal to land France Under-20 worldwide Matteo Guendouzi. Torreira claimed that he is looking forward to his new "adventure" in England.
Mixed World Cup emotions for French legend Henry
The game will feature plenty of talented attackers and has the potential to be one of the most exciting games of the competition. So all of the above applies for fans hoping to watch England and Croatia play for a spot in the World Cup 2018 finals .