The death toll in flooding in southern Brazil after days of heavy rain has risen to at least 66, civil defence authorities said on Sunday. Another six possible deaths are being investigated, while 101 people are still missing, according to authorities in the Brazilian state of Rio Grande do Sul. More than 80,000 people were forced to leave their homes and some 15,000 had to be accommodated in emergency shelters. More than 400,000 households were reportedly without electricity and around 840,000 people were left without water, while dozens of communities were without internet and telephone conn…