Authorities combing a remote corner of the Amazon for a missing British journalist and Brazilian indigenous expert are investigating possible human remains and a spot where something appears to have been buried, officials said Friday. "Today is Saturday, the disappearance happened on Sunday and I do believe that there is a possibility that Bruno (Pereira) is alive," said Eliezer Marubo, lawyer of the Union of Indigenous Peoples of Vale do Javari. IMAGES AND SOUNDBITES