German security agencies warn of widespread unrest ahead of planned youth protests in Germany on October 31 The police union and the Federal Student Congress (BSK) have warned of possible violence during the upcoming demonstrations. Lily Bertold, Deputy General Secretary of BSK, said: We are afraid of developments like France and we do not want the concerns of the young people to be overshadowed. Barthold said that if this happens, it will no longer be possible to clearly distinguish who belongs to whom and who is protecting what is being demanded.