Authorities in Berlin are bracing for possible clashes in the German capital ahead of the October 7 anniversary of the Hamas attack on Israel one year ago. Numerous rallies and demonstrations and other events have been announced for the weekend in Berlin and beyond, prompting a a large-scale police operation to keep the peace. The police union said it was expecting a “city-wide, dynamic situation” in the capital. Separately, the Federal Office for the Protection of the Constitution (BfV), the domestic intelligence agency, warned of an increase in anti-Israel and anti-Semitic protests. “The cur…