According to the Croatian Association of Prisoners in Serbian Concentration Camps, a total of 8,000 Croatian civilians and POWs (many following the fall of Vukovar) went through Serb prison camps such as Sremska Mitrovica camp, Stajićevo camp, Niš camp and many others where many were heavily abused and tortured. A total of 300 people never returned from them.A total of 4570 camp inmates have started legal action against the former Republic of Serbia and Montenegro (now Serbia) for torture and abuse in the camps.