 Home Army units carried out thousands of armed raids and intelligence operations, sabotaged hundreds of railway shipments, and participated in many partisan clashes and battles with German police and Wehrmacht units.The Home Army also assassinated prominent Nazi collaborators and Gestapo officials in retaliation against Nazi terror inflicted on Poland's civilian population; prominent individuals assassinated by the Home Army included Igo Sym (1941) and Franz Kutschera (1944).The Home Army supplied valuable intelligence to the Allies; 48% of all reports received by the British secret services from continental Europe in between 1939 and 1945 came from Polish sources.