The violence affected mainly militants of the Federation of Workers of the Earth and the General Union of Workers given the predominance in the region of the Bank of Navarre, and represented mostly peasants without land.
A violencia afectou principalmente aos militantes da Federación de Traballadores da Terra da Unión Xeral de Traballadores que, con gran predominio na rexión da Ribeira de Navarra, representaban maioritariamente aos campesiños sen terra.