The US climate envoy John Kerry has committed to pursuing the facts behind the disappearance of a veteran Guardian contributor and a celebrated Indigenous expert in the Brazilian Amazon.
Dom Phillips and Bruno Araújo Pereira were last seen on Sunday morning travelling by boat through the remote Javari Valley, a region plagued by violence involving illegal fishermen, illegal loggers, drug traffickers and security forces.
Kerry, a former US secretary of state, appears shocked at details of the case recounted by the Brazilian Indigenous leader Sonia Guajajara in a WhatsApp video of the encounter seen by the Guardian.