"At the risk of raising further public concern, we cannot rule out the possibility of an explosion," Chief Cabinet Secretary Yukio Edano told a news briefing.
He said if there was an explosion, "there would be no significant impact on human health."
Edano said neither Fukushima Dai-ichi reactor was near the point of complete meltdown, and he was confident of escaping the worst scenarios.
also, let me continue my never-ending rant against sensationalist editors and their headlines
the headline on that article only mentions the probability of an explosion. it, nor the subtitle, never once mention that he also said it wouldn't hurt anyone and that a meltdown wasn't on tap
but i clicked the link, so i guess i fed the machine