Reporter 8 this is an fight during sundays 49ers game at leigh high stadium. Tonight two brothers are behind bars. Accused in the attack and we are learning more about the seemingly minor problem that started it all. We have what police are saying about the beckham brought a hat. First grant lotus is standing by with a closer look at the video. Reporter the video is vivid, violent, but and disturbing. First, it will play it at full speed. It happened so fast. Reporter the guy in the number 21 frank gore shirt lance three punches with the third not a guy out and you can your health spa and land on the concrete floor. Then that suspect and one in a 99 el don smith the jersey start punching another fan. This victim on the ground and they are standing land lending blow after blow as trying to protect his head with his hand. Reporter now we will played in slow motion here is the first punch. Then the second punch. The guy in de kapernick jersey think its a hit at the third time print that i