Riot police fired plastic bullets and tear gas to quell violent scenes here as the Euro 2012 venue became a battleground for football hooligans. Around 100 people are arrested by police according to the sources.

Poland and Russia fans before their Euro 2012 match.

Poland and Russian fans clash.

Poland and Russian fans clash.

Image of Poland and Russian fans clash.

Police firing rubber bullets.

Police arrested some Poland and Russian fans.

A fan showing the Rubber bullet wound.