Polish fans during the march of Russian fans before the Euro 2012 group stage match between the national teams of Poland and Russia, held in Warsaw.

12.06.2012#1153126

Polish fans clash with Russian fans during their march ahead of the Euro 2012 group stage match between the national teams of Poland and Russia in Warsaw.

12.06.2012#1152910

Polish police officers form a cordon at the national stadium in Warsaw.

12.06.2012#1152909

A Polish fan picks up a Russian flag during Russian fans' march ahead of the Euro 2012 group stage match between the national teams of Poland and Russia in Warsaw.

12.06.2012#1152908

Russian fans wait during a march of Russian fans before the group stage European Football Championship match between teams of Russia and Poland in Warsaw.

12.06.2012#1152907

Russian fans sit during a march of Russian fans before the group stage European Football Championship match between teams of Russia and Poland in Warsaw.

12.06.2012#1152906

Polish police keep order during a march of Russian fans before the group stage European Football Championship match between teams of Russia and Poland in Warsaw.

12.06.2012#1152905

Polish police keep order during a march of Russian fans before the group stage European Football Championship match between teams of Russia and Poland in Warsaw.

12.06.2012#1152903

Polish fan during a march of Russian fans before the group stage European Football Championship match between teams of Russia and Poland in Warsaw.

12.06.2012#1152902

Polish fan during a march of Russian fans before the group stage European Football Championship match between teams of Russia and Poland in Warsaw.

12.06.2012#1152901

A Polish fan during Russian fans' march ahead of the Euro 2012 group stage match between the national teams of Poland and Russia in Warsaw.

12.06.2012#1152900

A Polish fan injured during Russian fans' march ahead of the Euro 2012 group stage match between the national teams of Poland and Russia in Warsaw.

12.06.2012#1152899

Polish fans clash with Russian fans during their march ahead of the Euro 2012 group stage match between the national teams of Poland and Russia in Warsaw.

12.06.2012#1152898

Police officers arrest a Polish fan during Russian fans' march ahead of the Euro 2012 group stage match between the national teams of Poland and Russia in Warsaw.

12.06.2012#1152897

Polish police officers detain some Polish national team fans during a march of Russian fans before the group stage European Football Championship match between teams of Russia and Poland in Warsaw.

12.06.2012#1152896

Police officers arrest a Polish fan during Russian fans' march ahead of the Euro 2012 group stage match between the national teams of Poland and Russia in Warsaw.

12.06.2012#1152895

Police officers arrest a Polish fan during Russian fans' march ahead of the Euro 2012 group stage match between the national teams of Poland and Russia in Warsaw.

12.06.2012#1152894

Police officers arrest a Polish fan during Russian fans' march ahead of the Euro 2012 group stage match between the national teams of Poland and Russia in Warsaw.

12.06.2012#1152893

Russian fans during their march ahead of the Euro 2012 group stage match between the national teams of Poland and Russia in Warsaw.

12.06.2012#1152892

Polish police keep order during a march of Russian fans before the group stage European Football Championship match between teams of Russia and Poland in Warsaw.

12.06.2012#1152891

Russian fans march ahead of the Euro 2012 group stage match between the national teams of Poland and Russia in Warsaw.

12.06.2012#1152890

Russian fans during their march ahead of the Euro 2012 group stage match between the national teams of Poland and Russia in Warsaw.

12.06.2012#1152889

Russian fans march ahead of the Euro 2012 group stage match between the national teams of Poland and Russia in Warsaw.

12.06.2012#1152888

Russian fans march through Warsaw before the Euro 2012 group stage match between the national teams of Poland and Russia, held in Warsaw.

12.06.2012#1152887

Polish fans during Russian fans' march ahead of the Euro 2012 group stage match between the national teams of Poland and Russia in Warsaw.

12.06.2012#1152886

A Polish fan argues with a police officer during Russian fans' march ahead of the Euro 2012 group stage match between the national teams of Poland and Russia in Warsaw.

12.06.2012#1152885