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.
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 alleged offenses took place before the roll out of new European Union data protection laws that allow for much larger fines. The decision was welcomed by former Cambridge Analytica employee and whistleblower Christopher Wylie.
En quête d'un renfort offensif de premier plan, le Barça serait intéressé par le meneur de jeu de Chelsea , Eden Hazard . S'il brille contre les Bleus, le Diable Rouge pourrait définitivement convaincre le Real Madrid de passer à l'action.
Il n'ignore pas, bien sûr, sa baisse dans les sondages et ce sobriquet vexant de président des riches qui lui est attribué. C'est le même trait, la même finalité: "Etre plus fort pour être plus juste".
As she got off a plane in transit at the airport in Helsinki, she spread her arms and grinned widely at a waiting photographer. "Only by taking medication can I fall asleep and stop looking at this painful world", she said, according to Ye.
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.
The mom of two told her mother (63) and daughter, Willow (17), that she went "cold turkey" to address her issues. I had already lost my mother, I had already lost a husband, I had already lost another relationship.
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.
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.
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.
Et ça s'est joué sur un coup de tête, lorsque sur un corner d'Antoine Griezmann, Samuel Umtiti a pris le meilleur sur Marouane Fellaini d'une tête décroisée à la 51e.
Klopp plays down Karius mistake
Two brilliant footballers make this mistake, which one was the bigger? On the match, Klopp continued: "Apart from the goals [conceded] everything was pretty much good".
‘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.
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.
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".
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.