Local reports say he was on his way to the set when a auto hit the bike he was riding.
The paper also tweeted a photo of his scooter abandoned by the side of the road with a Mercedes estate vehicle just feet away.
Erdogan sworn in as Turkey's president with vast new powers
Erdogan named Fuat Oktay, a former Turkish Airlines executive who studied in the United States, as vice president. The role of prime minister has also been eliminated, and the president will now be able to pick his own Cabinet.
According to the site, George was said to be hit by a vehicle which suddenly changed direction at a spot close to a hotel.
Clooney relocated his family to Sardinia, the second largest Island in the Mediterranean Sea, so he could film TV miniseries Catch 22, according to The Sun.
This is a developing story and will be updated when more information becomes available.
'Three Lions' roars up charts as England prepare for World Cup semi
England is on its way to becoming the first country to win three consecutive FIFA World Cup tournaments. Fair, but we mustn't forget the line which follows: "I know that was then / but it could be again".
George has been working hard in the region for his new project Catch 22, with the star directing, producing and starring in the six episode miniseries based on Joseph Heller's seminal novel.
It's not just the Clooneys spending the summer in Italy, George's parents and Amal's mum were also seen arriving on separate flights.
Clooney has a home with his wife, human rights lawyer Amal, on the Italian mainland, on Lake Como. The series is being produced for Hulu.
Zverev wins yet another Grand Slam five-setter
Gulbis is now ranked 138th and he is the first qualifier in the last 16 at Wimbledon since Brian Baker in 2012. I thought after I won the third set, I'm going to get out with a win, I thought that honestly.