here is abc's linzie janice. >> reporter: imagine being out with a drive with your family on a sundayon and suddenly you are surrounded by a swarm of motorcycles, roaring engines, angry bikers in every direction. that's what happened this weekend on a major highway in new york city before this scary confrontation spun violently out of control. and all caught on camera. inside that black suv, 33-year-old banker alexy leone, his wife and young child. watch as one biker appeared to stop short. when the suv hits him, the entire group of bikers comes to a grinding halt. when police say some of the motorcyclists got off their bikes and attacked the car. >> they take their helmets. start to dent the car. apparently his tires are slashed there, with a, with a knife. >> reporter: he pulls off in terror, plowing through the crowd and severely injuring one biker as he escapes. and enraged the group takes off in hot pursuit. a three-mile high-speed chase in broad day light. after four terrifying minutes the motorcyclists swarm the suv once again when one rider ditches the bike and leone pulls it