Testimony of Berl Wassersztejn regarding the establishment of a partisan unit in the Bialystok Ghetto Establishment of a resistance organization in Bialystok, December 1941; disbanding of the organization after the "Aktion" in the Bialystok Ghetto, 05 February 1943; establishment of the United Partisan Organization; organization activities including smuggling weapons into the ghetto; transfer of youth to forests in the Suprasl area; liquidation of the ghetto, 16 August 1943; fighting by the members of the Jewish underground in the Bialystok Ghetto.