Venezuela : Investigators did n't visit the site of the alleged attack , indigenous groups say . CNN 's Catherine E. Shoichet and Marilia Brocchetto contributed to this report . A top Venezuelan official says there is ' no evidence of any . ' It 's too early to deny a massacre took place , activists say . Indigenous groups say only three survivors have been found from a group of about 80 .
Venezuela : Investigators did n't visit the site of the alleged attack , indigenous groups say . A top Venezuelan official says there is ' no evidence of any . ' It 's too early to deny a massacre took place , activists say . Indigenous groups say only three survivors have been found from a group of about 80 .