Survival International `` now believes there was no attack '' Last month , it urged officials to investigate reports of a massacre . Venezuelan officials also say there is no evidence that a massacre occurred . The group says the government has been lying about what happened in order to cover up its own involvement with paramilitary groups and drug trafficking.
Survival International `` now believes there was no attack '' Last month , it urged officials to investigate reports of a massacre . Venezuelan officials also say there is no evidence that a massacre occurred . Hearsay fueled a `` false report , '' an official says .