A total of 446 people were confirmed dead and two people were missing in the floods that have inundated the upper part of the country for almost three months, the Disaster Prevention and Mitigation Department reported on Saturday. Four more people were confirmed dead on Thursday in central province of Ayutthaya. Central province of Nakhon Sawan has the highest death toll of 61 people, following by central province of Ayutthaya with 53 people killed. Flash floods were caused by the heavy monsoon \"Nock-Ten\" and overflow from several dams in upper part of the country since mid July. On Saturday, floods still prevail in 25 of 77 provinces and are affecting about 3.2 million people from 1.2 million households The floods have affected about 3.3 million households and about 10 million people in 64 of 77 provinces since July 25. 70 main highways in 13 provinces are flooded and cannot be passed and some north-bound train routes were canceled