The fact of Zidane head-butted Materazzi to the ground

Zidane head-butted Materazzi to the ground is a hot topic after the World Cup final. Mass media had different speculation in the last few days. Zidane has told to the public that Materazzi insulted his mother and sister with at least 3 times.

He say sorry to the public especially children and teenager but he don't think he did any wrong action at that moment.