The Jerusalem Post reports, apparently relying on this German-language source:

A local district court in the West German city of Bochum fined a student 300 Euros on Wednesday for displaying an Israel flag at a demonstration organized by Muslim organizations against the IDF Operation Cast Lead in January. According to Der Westen, a regional paper in Bochum, the public prosecutor termed the Israeli flag as "provoking" within a special situation....

According to Der Westen, the local district court judge deemed the protest of the five activists expressing solidarity with Israel as a "dangerous situation."

A spokesman for the district court, Volker Talarowski, told the Post that there was a "violation of the right to assembly" and the court's decision was issued "independent of a political motivation." Talarowski added that the pro-Israel demonstrators failed to register their protest 48 hours before the event.

Yet the student, who is appealing the fine, said a special regulation permits "spontaneous" demonstrations without a pre-registration. In response to a hardcore anti-Israeli demonstration in Bochum attended by 1,600 protesters on January 17, the student, along with four pro-Israeli activists, displayed a banner stating "Against anti-Semitism and fascism: Solidarity with Israel" as well as the Israel flag....

I'd much appreciate any translation of the source, or correction or amplification of the Jerusalem Post article, from people who know German. Naturally, if anyone can find the court decision, and the relevant regulations, I'd also much appreciate seeing those. Thanks to Avi Bell for the pointer.