The Italian, who has not been named, was riding on the back of a bike driven by a woman acquaintance when, near Karon Circle, they were kicked off the bike my a number of youths.
The woman managed to escape, but one of the youths stabbed the Italian twice in the stomach before making off with his bag, containing his passport and wallet.
The tourist managed to get help and was rushed to hospital where he underwent an operation yesterday the double knife wound in his abdomen. He is understood to be out of danger.
Half an hour after he was attacked, the same gang, it appears, came upon a lone Russian woman tourist riding a bike along the beach road at Kata, close to Club Med. Sofya Tolstova was also kicked off her bike and had her mobile phone stolen.
She received a knife cut but escaped severe injury and, after first aid treatment, was able to go back to her hotel.
Police have announced that some members of the gang have already been arrested. A press conference will be held later today.