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.
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 .
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.
Lee ended up playing the remainder of the season in Atlanta, averaging 10.7 points per game in 11 appearances. The Warriors have reached an agreement with former Hawks guard Damion Lee, according to Chris Haynes of ESPN.
The rescued kids are now in the hospital, where they should receive the proper care before being released to their families. The mood was fairly relaxed among the soldiers, medics, engineers and volunteers in yellow shirts that milled around.
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.
"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.
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.
Puerto Rico is a US territory and Puerto Ricans are USA citizens, dating back to the signing of the Jones-Shafroth Act in 1917. The woman captured the encounter on Facebook Live, showing a man approaching and repeatedly asking about her US citizenship.
‘The English Patient’ voted best Man Booker winner
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.
Sophie Gradon's Boyfriend Aaron Armstrong Dead at 25
According to police, there was no third-party involvement in the death, and a report is being prepared for the coroner. Amber Davies, victor of 2017's Love Island also offered her condolences, tweeting: "Awful news".
France progress to World Cup final with 1-0 win over Belgium
France is back in the World Cup final for the first time since Zinedine Zidane's headbutt in 2006. "I don't have the words". We had the chance to win the final of the Euros, but we missed a wonderful thing and we must not let this chance pass.
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".
Wall Street enters third day of gains as trade fears ease
Advancing issues outnumbered declining ones on the NYSE by a 1.77-to-1 ratio; on Nasdaq, a 1.65-to-1 ratio favored advancers. US -listed shares of Chinese companies Alibaba, JD.com and Baidu climbed after KeyBanc recommendations on the stocks.