 Nazi death squads carried out mass executions of the entire villages that were discovered to be aiding Jews on a communal level.In the villages of Białka near Parczew and Sterdyń near Sokołów Podlaski, 150 villagers were massacred for sheltering Jews.In November 1942, the Ukrainian SS squad executed 20 villagers from Berecz in Wołyń Voivodeship for giving aid to Jewish escapees from the ghetto in Povorsk.