Eskom sixth most gender-diverse power company in the world March 8, 2016 At least 51 school principals fired since 2011 General Samwu questions Tshwane’s claim bus strike was caused by union rivalryPosted by admin SABC News reports that the SA Municipal Workers’ Union (Samwu) has questioned Tshwane Metro claim that a strike by bus drivers was caused by rivalry between two unions affiliated to labour federation Cosatu. Source: Latest News