Venezuela has appointed two public officials to look into the allegations . Indigenous groups say only five survivors have been found from a community of about 80 . Harm caused by Brazilian gold mining in the Amazon region is a long - standing issue . The attack is believed to have happened in 2005 , but information is only now emerging .
Venezuela has appointed two public officials to look into the allegations . Indigenous groups say only three survivors have been found from a community of about 80 . Harm caused by Brazilian gold miners in the Amazon region is a long-standing issue . The attack is alleged to have happened in July , but information is only now emerging .