The nuclear bombs dropped by the United States on Japan in 1945 were the inevitable way to end World War II, Japan's defence minister has said.
"I think it was something that couldn't be helped," said Fumio Kyuma in a speech at a university east of Tokyo.
His comments sparked outrage from survivors of the bombs dropped on Hiroshima and Nagasaki.
The minister, who represents Nagasaki in parliament, said later that he was expressing the US view of events.
In his speech, he said the US must have thought the bombs "could prompt Japan's surrender, thus preventing the Soviet Union from declaring war against Japan".
Japanese leaders rarely comment on the use of the atom bomb against Japan for fear of damaging ties with the US.
Prime Minister Shinzo Abe played down Mr Kyuma's speech, saying it bore no effect on "Japan's important role of seeking abolition of nuclear weapons
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