hanoi vietnam brace typhoon khanun monday destructive flood batter country north center last week kill 72 people disaster prevention agency say last week flood bad years government state-run vietnam television say thousands home submerge another 200 house collapse several towns remain cut floodwater flood also damage 22,000 hectares 54,300 acres rice vietnam world third-largest exporter rice second-biggest producer coffee although flood affect southeast asian nation coffee belt eighteen people hardest-hit province hoa binh north bury landslide thirteen body find vietnam disaster agency say government say fix dyke dam roads damage last week flood prepare typhoon khanun expect cause heavy rain northern central vietnam monday also warn ship boat avoid approach typhoon vietnam prone destructive storm flood due long coastline typhoon wreak havoc across central provinces last month flood also affect nine 77 provinces thailand vietnam neighbor west three people kill flood since last tuesday thailand disaster agency say monday thai capital bangkok hit heavy rain weekend gridlocked traffic bring part city standstill bangkok often describe venice east many waterways however flood prompt criticism bangkok city government social media users accuse authorities manage water level canal properly city government defend say work closely irrigation department thailand suffer bad flood five decades 2011 hundreds people kill industrial estates engulf key industries cripple vietnam brace typhoon khanun flood kill 72