Cosatu calls in march to Parliament on Tuesday for job security and an end to retrenchments February 20, 2019 Gauteng human settlements MEC accused of 'dumping' staff in 'unsafe' Joburg CBD building General Retrenchments at South32’s Hillside smelter could affect up to 500 jobs, says SolidarityPosted by admin Mining Weekly reports that Solidarity advised on Tuesday that it had received a retrenchment notice from South32’s Hillside aluminium smelter located in Richards Bay. Source: Latest News