Ex-members of a special brigade of the Bosnian Serb police arrested today . Seven detained in dawn raids while a manhunt was needed to catch first . Group are accused taking part in a massacre that left 8,000 Muslims dead . They are accused of specific involvement in the murder of 1,000 men and boys at a now-abandoned warehouse on the outskirts of Srebrenica . UN considers Srebrenica to be Europe 's only genocide since World War II .
Ex-members of a special brigade of the Bosnian Serb police arrested today . Seven detained in dawn raids while a manhunt was needed to catch eighth . Group are accused taking part in a massacre that left 8,000 Muslims dead . They are accused of specific involvement in the murder of 1,000 men and boys at a now-abandoned warehouse on the outskirts of Srebrenica . UN considers Srebrenica to be Europe 's only genocide since World War II .