Can/are the club reporting the wednesday player(s)? (It only looked to me like one was trying to interfere while the others were trying to usher that player away and calm the fans)
Not really, just different 'phases'.
The fans got agitated by the wednesday player who starts to get involved (which I picked up watching the video). Then other wednesday players (notably their keeper) try to calm the fans down and pull that first player away (which I noted when I saw it...
I know it seems unnecessary to have five people take someone down, but really it isn't impossible to wriggle out of one or two people's grip,, especially when vigourously fighting to be free. Then when he is free, it's easy to jump back over the barrier, and get swallowed up by a group of fellow...