100.000 Soviet, Poles, Serbs prisoner of war was sent to Norway to build rail, roads, airports and the "Fortress Norway" for the Germans, including 9000 civilians, 1400 women and 400 children, and placed in 500 prisoner of war camps while in Norway. 13700 of these Slavic prisoner of war died from starvation, executions etc, while in Norway. Only 2700 of these deads are known by name. Any Norwegians who helped to those Soviet prisoner with food would receive harsh prison sentences. Few of those prisoners would escape to Sweden. Uniformed Norwegian Nazi soldiers also guarded and killed those Soviet prisoner of war in Norway.
After WW2, The Swedish Red Cross took over the care of the surviving Soviet prisoners of war in Norway, who were all, repatriated to Russia.