Apparently on July 27 or 30, 1942, after being kept in the Radziwiłł Fortress for several days, the remaining Jews were taken by truck in groups of 40-50 to pits at the Kempa tract, near the village of Żorniszcze. According to one testimony when the Jews were loaded onto the trucks some children and teenagers tried to escape by jumping over the fortress wall, but apparently most of them were shot to death shortly afterwards. Upon their arrival at the murder site, the Jews were ordered to strip naked and lie face down inside the pit, then they were shot to death in the back of the head with machine-guns by Security Policemen and an SD murder squad. Then another group of victims was placed on top of them and shot to death. This murder operation lasted the whole day. Ukrainian policemen and members of the Gendarmerie guarded the murder site.

More information: Yad Vashem

In the early August 1941 approximately 700 Jewish men, including Rabbi Alter Yosef Landa, the Hasidic rebbe of Ołyka, and several young women were rounded up in the town by the Germans and collected at the Radziwill Fortress outside of Ołyka. The women were released while the men, under the pretext of being taken to perform forced labor, were taken from the fortress to the Jewish cemetery. Upon their arrival at the site, they were made to dig a grave for themselves, lined up in rows, and shot to death with sub-machine guns, apparently by the Security Police and an SD murder squad, with the assistance of Ukrainian auxiliary police. Max Tauber, the administrator of the Ołyka Region, was in charge of this murder operation.

More information: Yad Vashem

Apparently on the night of July 25, 1942 Ukrainian auxiliary policemen and members of the Gendarmerie (German rural order police) surrounded the ghetto. The next day, early in the morning, the inmates of the ghetto (mainly women, children, and the elderly, including some severely ill people) were driven onto the street and ordered to gather at the town's square (or, according to one testimony, a football field). Several of the sick, elderly, and disabled people were killed on the spot by Ukrainian policemen. At the collection point a selection was carried out after which several artisans, craftsmen, and doctors were allowed to remain in the ghetto. The rest of the Jews were lined up in rows and, under the pretext of being resettled, were taken on foot under the guard of members of the Gendarmerie and Ukrainian policemen to the Radziwiłł Fortress, several kilometers from the town. According to one testimony on their way to the fortress those Jews who were slow or unable to walk were shot to death by Ukrainian and German policemen. Upon their arrival at the fortress, the Jews (mainly women and children) were driven into a large hall and held there for a day with closed doors and windows. Due to the extreme crowding and lack of air and water several hundred people died there.

More information: Yad Vashem