That's my point though - to what extent WAS there a "dividing area"? Over half the tickets for each match are bought in advance or directly from tournament organisers, and there's no specified "home/away" ends. I appreciate there was some sort of line that was crossed by the Russian fans...
Agree with you on the security in terms of fireworks etc getting in - very worrying given the circumstances under which this tournament is being staged.
However the segregation thing - I'm not sure how possible it is to effectively segregate fans at these tournaments due to the way tickets are...