rtokens: Post-mortem examinations showed they were all caused by methanol poisoning .
pos: JJ NNS VBD DT NN IN PRP VBD NNS IN JJ JJ NNS IN DT NN , PRP VBD .
tokens: Local authorities launched an investigation after they received reports of several similar deaths in the area , it said .
ltokens: Between late June and July , a total of 192 people were poisoned by the toxic liquor , and 35 of them died and six were left severely handicapped , it said .