Vietnamese government estimates economic losses of $343m across five provinces due to the floods.The death toll from severe floods in south and central Vietnam has risen to 90, authorities said, as the Southeast Asian country continues to assess the damage after days of relentless rain.In a statement on Sunday, the Vietnamese Ministry of Natural Resources and Environment said some 63 of the deaths since November 16 were recorded in the mountainous central Dak Lak province, where tens of thousands of homes were flooded.Recommended Stories list of 3 itemsend of listIt said at least 12 people were still missing in the region.While the floodwaters have begun to recede in hard-hit Dak Lak, several communities remain inundated and hundreds of families are still affected, the VnExpress news website reported.Mach Van Si, a 61-year-old farmer in Dak Lak, said the floodwaters left him and his wife stranded on their sheet-metal rooftop for two nights.“Our neighbourhood was completely destroyed. Nothing was left. Everything was covered in mud,” he told the AFP news agency on Sunday.By the time they climbed a ladder to their roof, Si said he was no longer scared. “I just thought we were going to die because there was no way out,” he said.Relentless rain has lashed south-central Vietnam since late October, hitting popular holiday destinations with several rounds of flooding. Whole city blocks were inundated last week in coastal Nha Trang, while deadly landslides struck highland passes around the Da Lat tourist hub.More than 80,000 hectares (200,000 acres) of rice and other crops across Dak Lak and four other provinces were damaged in the last week, with more than 3.2 million livestock or poultry dead or w …