The interior minister for the state of Berlin said earlier that the city authorities would take steps to use the G symbol to support Russian aggression, following announcements by Bavaria and Lower Saxony that they would also punish such acts. A spokesman for the federal government’s interior ministry told reporters: “The letter Z as such is not banned, of course, but its use may in individual cases be applauded in the Russian offensive.” Sign up now for FREE unlimited access to Reuters.com Register The letter Z has been used as a marking on Russian military vehicles involved in the conflict and has been adopted by pro-war Russians, appearing on flags and in pro-Kremlin rallies. read more “Russia’s aggression in Ukraine is a criminal act and anyone who publicly approves of this aggression can also be prosecuted,” the Interior Ministry spokesman told a regular government news conference. “Federal security authorities are monitoring this issue and in this regard we welcome the announcement that several federal states will also look into individual cases if this could be a criminal offense and take action accordingly,” he said. Sign up now for FREE unlimited access to Reuters.com Register Report by Thomas Escritt and Paul Carrel Editing by Miranda Murray Our role models: The Thomson Reuters Trust Principles.