German riot police detain a Germany soccer supporter during the Group B Euro 2008 match between Germany and Poland in Klagenfurt June 8, 2008. Austrian police detained around 100 German hooligans during Germany's Euro 2008 game against Poland in Klagenfurt on Sunday, Austrian news agency APA reported. The Germans were marauding the streets in the city centre of Klagenfurt, shouting anti-Polish chants and had been detained for disturbing the peace, APA said. REUTERS/Nikola Solic (AUSTRIA) 

German riot police detains a man to prevent clashes before a Group B Euro 2008 match between Poland and Germany in Klagenfurt June 8, 2008. Potentially violent fans from Germany, Austria and Poland are heading to Klagenfurt, Austrian police said on Sunday, and officers are expecting further clashes like those seen in the city centre last night. REUTERS/Fabrizio Bensch (AUSTRIA) 

German riot police detain a Germany soccer supporter during the Group B Euro 2008 match between Germany and Poland in Klagenfurt June 8, 2008. REUTERS/Nikola Solic (AUSTRIA) 

German riot police detain a Germany soccer supporter during the Group B Euro 2008 match between Germany and Poland in Klagenfurt June 8, 2008. Austrian police detained around 100 German hooligans during Germany's Euro 2008 game against Poland in Klagenfurt on Sunday, Austrian news agency APA reported. The Germans were marauding the streets in the city centre of Klagenfurt, shouting anti-Polish chants and had been detained for disturbing the peace, APA said. REUTERS/Nikola Solic (AUSTRIA) 

An injured Polish soccer fan sits on the ground after been arrested by Austrian riot police in the public viewing area during the Group B Euro 2008 match between Poland and Germany in Klagenfurt June 8, 2008. Austrian police detained around 100 German hooligans during Germany's Euro 2008 game against Poland in Klagenfurt on Sunday, Austrian news agency APA reported. The Germans were marauding the streets in the city centre of Klagenfurt, shouting anti-Polish chants and had been detained for disturbing the peace, APA said. REUTERS/Fabrizio Bensch (AUSTRIA) 

German riot police secure an area after clashes between German and Polish soccer fans in the public viewing area during the Group B Euro 2008 match between Poland and Germany in Klagenfurt June 8, 2008. Austrian police detained around 100 German hooligans during Germany's Euro 2008 game against Poland in Klagenfurt on Sunday, Austrian news agency APA reported. The Germans were marauding the streets in the city centre of Klagenfurt, shouting anti-Polish chants and had been detained for disturbing the peace, APA said. REUTERS/Fabrizio Bensch (AUSTRIA) 

Austrian riot police detains a German soccer fan to prevent clashes before a Group B Euro 2008 match between Poland and Germany in Klagenfurt June 8, 2008. Potentially violent fans from Germany, Austria and Poland are heading to Klagenfurt, Austrian police said on Sunday, and officers are expecting further clashes like those seen in the city centre last night. REUTERS/Fabrizio Bensch (AUSTRIA) 

German riot police face German supporters as they prepare to check their identity documents in Klagenfurt June 7, 2008. Poland will face Germany in their Group B Euro 2008 soccer tournament match on June 8. REUTERS/Fabrizio Bensch (AUSTRIA) 

German and Austrian riot police arrest soccer fans during clashes in the public viewing area during a Group B Euro 2008 match between Poland and Germany in Klagenfurt June 8, 2008. Austrian police detained around 100 German hooligans during Germany's Euro 2008 game against Poland in Klagenfurt on Sunday, Austrian news agency APA reported. The Germans were marauding the streets in the city centre of Klagenfurt, shouting anti-Polish chants and had been detained for disturbing the peace, APA said. REUTERS/Fabrizio Bensch (AUSTRIA) 

German riot police detain a Germany soccer supporter during the Group B Euro 2008 match between Germany and Poland in Klagenfurt June 8, 2008. Austrian police detained around 100 German hooligans during Germany's Euro 2008 game against Poland in Klagenfurt on Sunday, Austrian news agency APA reported. The Germans were marauding the streets in the city centre of Klagenfurt, shouting anti-Polish chants and had been detained for disturbing the peace, APA said. REUTERS/Nikola Solic (AUSTRIA) 

German riot police detain a group of Germany supporters during the Group B Euro 2008 match between Germany and Poland in Klagenfurt June 8, 2008. Potentially violent fans from Germany, Austria and Poland are heading to Klagenfurt, Austrian police said on Sunday, and officers are expecting further clashes like those seen in the city centre last night. REUTERS/Nikola Solic (AUSTRIA) 

German and Austrian riot police detain a man during clashes between German and Polish soccer fans in the Euro 2008 public viewing area in Klagenfurt June 8, 2008. Austrian police detained around 100 German hooligans during Germany's Euro 2008 game against Poland in Klagenfurt on Sunday, Austrian news agency APA reported. The Germans were marauding the streets in the city centre of Klagenfurt, shouting anti-Polish chants and had been detained for disturbing the peace, APA said. REUTERS/Fabrizio Bensch (AUSTRIA) 

German riot police surround German soccer fans to prevent clashes before a Group B Euro 2008 match between Poland and Germany in Klagenfurt June 8, 2008. Potentially violent fans from Germany, Austria and Poland are heading to Klagenfurt, Austrian police said on Sunday, and officers are expecting further clashes like those seen in the city centre last night. REUTERS/Fabrizio Bensch (AUSTRIA) 

German riot police detain a group supporters of the German soccer team during a Group B Euro 2008 match between Germany and Poland in Klagenfurt June 8, 2008. Potentially violent fans from Germany, Austria and Poland were known to be heading for Sunday evening's game, according to Austrian police, who were bracing for more trouble. REUTERS/Nikola Solic (AUSTRIA) 

German riot police arrest a Poland soccer supporter before the Group B Euro 2008 match between Poland and Germany in Klagenfurt June 8, 2008. Potentially violent fans from Germany, Austria and Poland are heading to Klagenfurt, Austrian police said on Sunday, and officers are expecting further clashes like those seen in the city centre last night. REUTERS/Fabrizio Bensch (AUSTRIA) 

German and Austrian riot police arrest a man during clashes between German and Polish soccer fans in the public viewing area during a Group B Euro 2008 match between Poland and Germany in Klagenfurt June 8, 2008. REUTERS/Fabrizio Bensch (AUSTRIA) 

Austrian emergency crew carries a soccer fan in the centre of Klagenfurt during the Group B Euro 2008 match between Germany and Poland on June 8, 2008. REUTERS/Nikola Solic (AUSTRIA) 

German riot police rush through a street to prevent clashes before a Group B Euro 2008 match between Poland and Germany in Klagenfurt June 8, 2008. Potentially violent fans from Germany, Austria and Poland are heading to Klagenfurt, Austrian police said on Sunday, and officers are expecting further clashes like those seen in the city centre last night. REUTERS/Fabrizio Bensch (AUSTRIA) 

German riot police divide soccer fans with a cordon after clashes between German and Polish soccer fans in the public viewing area during a Group B Euro 2008 match between Poland and Germany in Klagenfurt June 8, 2008. Austrian police detained around 100 German hooligans during Germany's Euro 2008 game against Poland in Klagenfurt on Sunday, Austrian news agency APA reported. The Germans were marauding the streets in the city centre of Klagenfurt, shouting anti-Polish chants and had been detained for disturbing the peace, APA said. REUTERS/Fabrizio Bensch (AUSTRIA) 

Soccer fans sleep in the centre of Klagenfurt during the Group B Euro 2008 match between Germany and Poland June 8, 2008. REUTERS/Nikola Solic (AUSTRIA)