rtokens: " These are powerful weapons , " a spokesman with the Municipal Police told Reuters by telephone , adding that police had not ruled out a possible terrorist attack on the ornate Casa de Narino presidential palace in Bogota 's historic downtown area .
pos: CD JJ NNS VBN IN JJ NNP NN NNS VBD VBN VBN IN DT JJ NN NN IN NNP VBD IN CD NNS IN NNP POS JJ NN , NN VBD .
tokens: Eight claymore mines fitted with powerful C-4 plastic explosives were found stashed in a real estate office on Friday located about two blocks from Colombia 's presidential palace , police said .
ltokens: BOGOTA , Colombia 1996-08-30