Ian Ziering was filmed being punched and kicked by a group of mini-bike riders in Los Angeles on Sunday in a shock traffic altercation. In video from the shock incident, The Beverly Hills, 90210 actor, 59, was seen clashing with one mini-bike rider on Hollywood Boulevard - approaching them and kicking them before striking them on the head. Ziering was then attacked by the rider who attempted to strike him, before the actor pushed the rider to the ground. Ziering was surrounded by other bikers from the group - who wore helmets in the exchange - and was seen being...