The 230-page unpublished memoir will reflect the horrors suffered by ordinary Japanese citizens in a feature-length drama

A major feature film on Hiroshima is going into production, inspired in part by an unpublished memoir of a Japanese man who witnessed the devastation of the city after the atomic bomb was dropped in 1945.

Scriptwriter Elisabeth Bentley was taken aback by the personal recollections of Kiyoshi Tanimoto in a 230-page memoir that she unearthed in a US archive.