sentences:  It produced the newspaper La Voz Obrera (Workers' Voice).It was based in Cochabamba, providing an information board in the central plaza and had organised the People’s Plaza Defense Committee to defend social movements in the city against attacks by right-wing thugs.Members have also played a role in supporting the hunger strike of the Sindicato Mixto de Trabajadores Petroleros Gualberto Villarroel union leaders demanding back their jobs.