Fan Immediately Regrets Running onto Field at UFC Match

Describing his actions as "among the worst ever made by anyone ever," spectators watched aghast as a fan ran into the fighting arena at the end of the bout.

Cub Swanson, who had just won on a TKO in the fourth round, promptly delivered a set of jabs to the man's upper body, culminating in a swift takedown which fans greeted with a mixture of cheers and boos.