A bit sketchy on details there but it seems Berlin police are getting tough on fixed wheel bikes without brakes and are confiscating them. They're a danger so it would seem.
Oh, and forgive the rather basic explanation at the beginning of the article...
http://bicycling.about.com/b/2009/07/11/when-fixies-are-outlawed.htm
Oh, and forgive the rather basic explanation at the beginning of the article...
http://bicycling.about.com/b/2009/07/11/when-fixies-are-outlawed.htm