A confrontation between the members of the Ferroviaria Union (Railroad workers union) and workers that were protesting against layoffs along with militants of left-leaning parties, ended in the killing of Mariano Ferreyra, a student of the University of Buenos Aires and member of the Partido Obrero (Worker's Party). He was shot.
Un enfrentamiento entre miembros del sindicato de la Unión Ferroviaria, y trabajadores que protestaban por despidos junto con militantes de partidos de izquierda, terminó con el asesinato de Mariano Ferreyra, estudiante de la Universidad de Buenos Aires e integrante del Partido Obrero, por disparos de bala.