Former prisoners testified about unhygienic conditions and malnourishment at a military prison in Ljubuski where they were detained in 1993 and 1994.
The Bosnian prosecution filed an indictment against 13 people, charging them with crimes against humanity in the Bosanski Novi municipality in 1992.
A former detainee told the trial of four Bosnian Serbs accused of beating prisoners in Bileca in 1992 that he was hit almost every day during his time in custody.
A prosecution witness recalled how he and other prisoners were regularly beaten in cells behind the court in Kotor-Varos after being captured by Bosnian Serb troops in 1992.
At the trial of former Croatian Defence Council fighter Almaz Nezirovic for alleged torture and inhumane treatment of detained Serb civilians, a witness said the defendant beat him several times.
Former Bosnian Serb policemen Goran Vujovic, Miroslav Duka and Zeljko Ilic were sentenced to a total of 23 years in prison for crimes against humanity in Bileca in 1992.
Testifying at the war crimes trial of former prison warden Nenad Przulj, prosecution witnesses said that prisoners were held in grim conditions and beaten up in detention in the Sokolac area.
A prosecution witness told the trial of six Serbs accused of crimes against humanity that he and other Bosniak prisnoners were beaten up in detention in Kotor-Varos during wartime.
Former HVO member Edin Sakoc faces charges of sexual abuse and participation in murders in the Capljina area of Bosnia.
A witness at the trial of Mirko Vrucinic says Serbs separated group of Bosniaks on the bridge and took them away, never to be seen again.
Testifying at the trial of ex-policeman Mirko Vrucinic, accused of wartime crimes in the Sanski Most area, a prosecution witness said that detainees held in a factory were brutally beaten, leaving one dead.