A mine worker holds a placard as they are addressed by President of South Africa's Association of Mine workers and Construction Union (AMCU) Joseph Mathunjwa before the workers submitted a memorandum ... more 
A mine worker holds a placard as they are addressed by President of South Africa's Association of Mine workers and Construction Union (AMCU) Joseph Mathunjwa before the workers submitted a memorandum at Impala Platinum Holdings Ltd offices in Johannesburg March 27 2014. REUTERS/Siphiwe Sibeko (SOUTH AFRICA - Tags: BUSINESS CIVIL UNREST) less 
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Reuters | Photo By SIPHIWE SIBEKO / REUTERS
Thu, Mar 27, 2014 12:33 PM EDT