On September 10, 1941 members of a detachment of Sonderkommando 10a of Einsatzgruppe D, aided by local auxiliary police consisting mostly of ethnic Germans, collected about 520 Yefingar Jews in a school building. The Jews were ordered to take with them some basic necessities under the pretext that they were going to be resettled. All the assembled Jews were taken from the school building to a sand quarry about 2 kilometers from Yefingar and shot dead. The children were thrown into the quarry alive.
From the testimony of Dina Shteynberg, who was born in 1922:
...After three or four days everyone was ordered to take their most needed possessions. It was announced that the village inhabitants were going to be resettled in another location. All of them were collected in the school building. My cousin Yudis Shuster lost her mind. She ran naked, with her hair loose from classroom to classroom, shouting something, and pressing her child to her breast. Many then understood what awaited them…
On September 10, 1941 all of them were taken about two kilometers out of the village, where there was sand quarry and shot there.
On the way to the quarry they embraced each other. Many of them were panic-stricken: they were crying, sobbing. There was no need to dig at all. Sand had been taken from there both for building and for the glass-factory. The children were thrown into the quarry, the rest were taken up its edge, shot, and then buried. Those who were shot dead and also those who had been wounded and fell [into the quarry alive] were buried. The earth was heaving for several days. Not a single one of the [non-Jewish] inhabitants was allowed to approach [the quarry]…