As the imminent defeat of the Axis became clear, many RSI officers began to negotiate with the Allies Italy's post war fate and their own. The tensions between the German and Italian RSI forces grew harsher. On the Eastern border, near Fiume, British support of Yugoslav resistance fighters grew stronger causing continuous attacks. Palatucci highest superior, to whom he reported, Tullio Tamburini was arrested in June for treason and embezzlement and deported to Dachau. After the liberation of Florence, in August 1944, Roberto Tomasselli, his direct superior and protector who had left him in his place, defected the ranks of Salò and ended up in an Anglo-American POW camp. His chief of cabinet and close collaborator in Fiume, left for Milan, where he served briefly Mussolini ailing administration and passed to the Liberation forces before the Allies entered the city.