More than 5,500 police officers from Berlin and other German states are to be deployed in the German capital on May 1 as left-wing groups hold rallies and demonstrations. The demonstrations on May Day, which traditionally focus on workers' rights, have often got out of hand in the past. In recent years, however, the violence has decreased significantly. Nevertheless, the Berlin police intend to accompany the demonstrations in the capital with thousands of officers and a great deal of technical e