rtokens: There had been no arrests .
pos: " PRP VBP IN DT NNS VBP VBN TO NNS , " NN NNP NNP VBD NNP .
tokens: " We suspect that these killings are linked to politics , " spokesman Bala Naidoo told Reuters .
ltokens: In another attack , also on the province 's south coast on Thursday night , two men were shot dead near Umkomaas .