Former Sasol workers will march to demand compensation for the dismissal of employees and a riot that left 77 dead 20 years ago...Sasol enlisted riot police to control workers striking legally on October 1 1987, according to Khulumani [Support Group]...Seventy-seven workers died, "some at the hands of the police and some at the hands of vigilantes"...Sasol had not responded "to the formal proposals submitted to them...regarding compensation and community investment", Marjorie Jobson, the acting director of Khulumani, said...