LIMA, Peru (Reuters) - A jailed drug lord has testified that Peru's fugitive former spy chief Vladimiro Montesinos once tipped him off about a planned U.S. anti-drug operation.

Peruvian drug lord Demetrio Chavez, known by the nickname ''Vaticano'', also said that he cut links with the spy chief when Montesinos asked him to double to $100,000 the monthly sum he received to give free rein to cocaine traffickers in Peru's Campanilla central jungle drug heartland, the head of a congressional commission probing Montesinos said on Thursday.

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