Security thought that Luis Santana, the cameraman, was attempting to enter the vehicle and went into action. For his part, Santana says that a window was down and he tried to peek in and take a picture. He says Chris actually began chasing him, and that's when security took over. Chris' peeps say it was the security at the venue that got into it with the photog.
Hey, if Rihanna was sitting next to you, you'd try to protect her umbrella too!