http://www.bbc.co.uk/news/world-asia-pacific-12766930
This is getting serious as shown in the markets evening open
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7:49p Japan's Nikkei Average futures down 5.2% on SGX
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A map of radiation maximums in Japan, by prefecture
http://blogs.marketwatch.com/disast...of-radiation-maximums-in-japan-by-prefecture/
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16 March 2011 Last updated at 17:49 ET
1/ US Energy Secretary Steven Chu has said that the situation at the plant appears to be more serious than the partial meltdown at the Three Mile Island nuclear plant in Pennsylvania in 1979.
2/ Here, it is not the actual reactor that is causing concern. Instead, it is a pool storing fuel rods that had been taken out of the reactor when it was shut down for maintenance before the earthquake struck.
There have been reports that water levels were low; and now the US Nuclear Regulatory Commission (NRC), which has a team of experts advising in Japan, says the pool is completely dry.
This means the fuel rods are exposed to the air. Without water, they will get much hotter, allowing radioactive material to escape - and the NRC says radiation levels are probably extremely high, creating a danger to workers at the plant.
3/ The company operating the plant has even warned of "re-criticality" - that a nuclear chain reaction could start among fuel rods in the now dry pool.
That would not cause a nuclear explosion but it would increase the release of radioactive substances.
4/ The US state department has urged Americans living within 80km (50 miles) of Fukushima Daiichi, which lies 220km from Tokyo, to leave the area - a much wider exclusion zone than the 20km advised by the Japanese government.
5/ Britain has now advised its nationals currently in Tokyo and to the north of the capital to consider leaving the area.
6/ But helicopters deployed to dump water on the facility on Wednesday were pulled out amid concerns over radiation levels in the air above the site.
7/ Police units have been asked to bring in water cannons, normally used in riot control, to spray water on the fuel.
8/ "We believe that around the reactor site there are high levels of radiation," he said.
"It would be very difficult for emergency workers to get near the reactors. The doses they could experience would potentially be lethal doses in a very short period of time."