Only five hours after the explosion did Chief Cabinet Secretary Yukio Edano say that no radioactive substances had been leaked as a result of the blast.

在爆炸5小时后，内阁官房长官枝野幸男(Yukio Edano)才宣布并无核辐射物质因爆炸而泄露。

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Chief Cabinet Secretary Yukio Edano said the possibility of a significant radiation leak after the second blast is small.

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In 1983, four key South Korean cabinet ministers, including Foreign Minister Lee Bum-suk, were killed in a bomb blast in Rangoon.

CNN: Thursday,