rtokens: The killings came just hours after violence monitors said they were not optimistic of a peaceful festive season in KwaZulu-Natal and pointed the south coast region where 18 people were massacred last Christmas as one of potential hot spots .
pos: EX VBD VBN DT NNS .
tokens: There had been no arrests .
ltokens: " We suspect that these killings are linked to politics , " spokesman Bala Naidoo told Reuters .