(CNN) Dozens of people have been killed and two million forced to flee their homes after record rains pounded southwest Japan, triggering widespread flooding and deadly landslides.

At least 75 people are dead and 40 have been reported missing or are unaccounted for, according to Japan's Fire and Disaster Management Agency.

Earlier, Japanese broadcaster NHK reported that 85 people had died, and at least were 58 missing. Most of the deaths were reported in Hiroshima and Ehime Prefectures, though eight prefectures were impacted.

Images from Saka, a small town on the southern coast of Hiroshima Prefecture, show cars buried in mud.

Cars trapped in the mud after floods in Saka, Hiroshima prefecture on July 8.

Kazuhiko Ono, who owns a secondhand book store in Hiroshima city, was unable to return to his home and store when the rains first arrived. His wife and children took shelter in the second floor of their home, while the store filled up with water.

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