I sent an email to them already. This is what I wrote:
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Hi,
Firstly, I must admit that I am an Inter fan. I you think that I will be biased towards my own team, then I beg you to finish reading my email before making any judgements.
It was a very shameful thing the Inter fans did, during the match. They should have controlled themselves, and not let their emotions go wild. Inter should be punished for what the fans did.
But, at the same time, I beg you to see things in a different perspective. The referee of the match, Markus Merk, made some very horrible decisions. Firstly, Shevchenko was not sent off, or even a yellow card, for headbutting Materazzi early in the game. Shevchenko then scored the goal which gave Milan a practically unsailable lead. Then, Merk also failed to give Inter a penalty when Cambiasso was brought down by Nesta in the box. Cambiasso's goal was also disallowed, for a non-existent foul on Cafu. When Cambiasso pleaded with him, Merk gave Cambiasso a yellow card.
Milan derbies are highly emotional matches. This one was an exceptionally intense one, as we're playing with the CL Semi-Finals spot at stake. With all this horrible refereeing decisions made by Merk, it inevitably angers and provokes the Inter fans. There are speculations that the Inter Ultras had already planned to initiate this "attack", but I'm sure there is a reason to why they started, if the Inter Ultras really did plan for this, earlier than the time which they had already planned. This may be be caused by the agitation and sense of unfairness which arises from Markus Merk's decision.
Inter should be punished for what the fans did, this is undoubtable. I think that a stadium ban for a certain period of time, plus a fine, would be a fair punishment for Inter. At the same time, I strongly suggest the UEFA to review the referee's decisions in the match, and do their best to try to prevent these mistakes from happening, especially in such an important, and highly intense match.
Thank you.