However , about 70 % of the town was destroyed by arson attacks afterwards .
Most of the Osterode citizens had fled during the evacuation of East Prussia , when on 21 January 1945 Osterode was captured by the Soviet Red Army without fighting .
About 70 % of the town was destroyed by arson attacks afterwards .
Most of the Osterode citizens had fled during the evacuation of East Prussia , when on 21 January 1945 Osterode was captured by the Soviet Red Army without fighting .