"Real Madrid goalkeeper Iker Casillas was hit by an object thrown from the crowd during his side's 1-0 win at Athletic Bilbao on Saturday.Objects rained down on the keeper's area during the match and television pictures showed what appeared to be a knife or bottle opener had also landed on the edge of the pitch. 'The atmosphere at San Mames is always very powerful and that zone is always like that,' Casillas told reporters. 'It is a strange way to support your team.' The bus carrying Real Madrid players to the stadium was also hit by objects thrown by rival supporters, resulting in damage to its windows..."
Full article here: http://soccernet.espn.go.com/news/story?id=489157&cc=4716
Another source claimed that he was hit by a plastic cup at the back of the head.
Knife, bottle opener, plastic cup, police get killed, civilian got shot by police... what's next?