rtokens: -- Johannesburg newsroom , +27-11 482 1003
pos: IN JJS CD NNS VBP VBN VBN IN NN NN : VBN IN JJ NNS : IN NNP NNP CC NNP NNP POS NNP NNP NNP NNP DT NN .
tokens: At least 17 miners have been killed in labour unrest -- sparked by ethnic differences -- at Driefontein Consolidated and Gold Fields ' Kloof Gold Mining Co this month .
ltokens: It gave no further details .