In June that year, the Germans and their local collaborators perpetrated the biggest massacre of local Jews. Several days prior to that, the Germans had carried out a selection among the ghetto inmates. They set up a smaller ghetto inside the main ghetto, and all the elderly and infirm inmates (about 600-700 individuals) were moved into this smaller section, with only the able-bodied Jews allowed to remain in the main ghetto. On June 19, German security forces and local policemen surrounded the ghetto and assembled all the Jews from the main ghetto on the former sports ground, ostensibly in order to check their work permits. Here, the Nazis carried out another selection. Some of the Jews were returned to the main ghetto, while the rest were informed that they would be moved to another town. These latter Jews were then ordered to kneel down and bow their heads; they were forbidden to look sideways. The Jews were brutally beaten in the process. Afterward, they, together with the elderly and infirm Jews from the inner ghetto, were escorted into the Borek Forest and killed there. Before the massacre, the perpetrators ordered the victims to undress and lie down facing the pits, whereupon they shot them. Many of the victims, including babies, were only wounded, or even completely unharmed, during the shooting – but they, too, were covered with earth when it was over.