Sopranos star James Gandolfini allegedly launched a violent attack on a fan at a New York City airport after he was approached for an simple autograph.The 46-year-old became enraged when the man, carrying a notepad and pen, came too close to the actor’s fiancee, Deborah Lin, and Gandolfini hit out grabbing him by the collar and punching him in the face.The altercation, captured on camera, took place as the couple passed through JFK airport on their way back from the Screen Actor’s Guild Awards in Los Angeles, where Gandolfini picked up the Best Actor Award for his role in the hit TV series. But the actor soon calmed down, and before leaving he apologized to the fan, taking time to sign the autograph and pose for a picture, according to the New York Daily News.