The brutality of treatment of Jews in Auschwitz by Nazi guards is vividly demonstrated, including beatings, stabbings, shootings. Many of these actions result in deaths, and this is shown in black and white cinematography. There are also unseen (but heard screaming) victims in a gas chamber.
Boxing scenes in a concentration camp, sometimes without gloves, result in the bloody death of competitors, with suffering shown to the point at times in which the loser is begging to be put to death. Other boxing scenes also depict cuts, bruises and, sometimes, knockouts.