Testimony of Ephraim Aranowski regarding his experiences in Dereczyn "Aktion" in Dereczyn under the command of the Belorussian police; Jews in hiding in hiding places; murder of Jews in killing pits; throwing of bricks at Belorussian policemen by Jews hiding in an attic; wounding and killing of the policemen; escape of the Jews to the forests; combat as partisans; revenge by the partisans for the killing of the Jews in Dereczyn; arrival of the partisans in Dereczyn; execution of the Belorussian policemen who participated in the murder of the Jews by the partisans; execution of the mayor by the partisans; execution of the head of the gendarmerie by the partisans; burning of the homes of the mayor and the head of the gendarmerie.