Death toll from flooding in southern Brazil reaches 116 ; many are children . The number of missing residents has increased to 31 , the agency said . Officials report 10 suspected cases of potentially deadly leptospirosis . Authorities warn people to avoid mercury - contaminated food , too . More heavy rains forecast for parts of Brazil .
Death toll from flooding in southern Brazil reaches 116 ; many are children . Officials report 10 suspected cases of potentially deadly leptospirosis . Authorities warn people to avoid mercury - contaminated food , too . More heavy rains forecast for parts of Brazil .