Worker dissatisfaction in South Africa

Striking mineworkers armed with machetes are monitered by a large number of police as they stage a sit-in on a hill near the mine in Rustenburg, 100 kmS (62 miles) northwest of Johannesburg on August 15, 2012, where they are demading a wage increase. Ten people were killed in clashes at the mine, which is run by leading producer Lonmin, between rival unions, the leading and decades-old National Union of Mineworkers (NUM) and the smaller Association of Mineworkers and Construction Union (AMCU). Eight Lonmin employees were killed, while two of the police officers sent to quell the unrest were hacked to death in two days of violence which started off as an illegal work stoppage on August 10 called by one of the unions. AFP PHOTO / STR        (Photo credit should read -/AFP/GettyImages)

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    Worker dissatisfaction in South Africa

CNN's Nkepile Mabuse reports on what is at the center of a wage dispute that turned deadly on Thursday.