They face charges including inciting public violence and contravention of the National Road Traffic Act. IEC gears up for local government elections as 2.6m voters set to cast special ballots next week. 16 members of the South African Municipal Workers’ Union (SAMWU), who were arrested after blocking the M1 freeway near Braamfontein on Monday, have been released on warning following their appearance in the Johannesburg Magistrates Court this afternoon.