The moment nuclear plant chief WEPT as Japanese finally admit that radiation leak is serious enough to kill people
The boss of the company behind the devastated Japanese nuclear reactor today broke down in tears - as his country finally acknowledged the radiation spewing from the over-heating reactors and fuel rods was enough to kill some citizens
Japan's Nuclear and Industrial Safety Agency admitted that the disaster was a level 5, which is classified as a crisis causing 'several radiation deaths' by the UN International Atomic Energy.
Officials said the rating was raised after they realised the full extent of the radiation leaking from the plant. They also said that 3 per cent of the fuel in three of the reactors at the Fukushima plant had been severely damaged, suggesting those reactor cores have partially melted down.
After Tokyo Electric Power Company Managing Director Akio Komiri cried as he left a conference to brief journalists on the situation at Fukushima, a senior Japanese minister also admitted that the country was overwhelmed by the scale of the tsunami and nuclear crisis.
He said officials should have admitted earlier how serious the radiation leaks were.
Chief Cabinet Secretary Yukio Edano said: 'The unprecedented scale of the earthquake and tsunami that struck Japan, frankly speaking, were among many things that happened that had not been anticipated under our disaster management contingency plans.
'In hindsight, we could have moved a little quicker in assessing the situation and coordinating all that information and provided it faster.'
Nuclear experts have been saying for days that Japan was underplaying the crisis' severity.
It is now officially on a par with the Three Mile Island accident in Pennsylvania in 1979. Only the explosion at Chernobyl in 1986 has topped the scale.
Deputy director general of the NISA, Hideohiko Nishiyama, also admitted that they do not know if the reactors are coming under control.
He said: 'With the water-spraying operations, we are fighting a fire we cannot see. That fire is not spreading, but we cannot say yet that it is under control.'
But prime minister Naoto Kan insisted that his country would overcome the catastrophe
'We will rebuild Japan from scratch,' he said in a televised speech: 'In our history, this small island nation has made miraculous economic growth thanks to the efforts of all Japanese citizens. That is how Japan was built.'
It comes after pictures emerged showing overheating fuel rods exposed to the elements through a huge hole in the wall of a reactor building at the destroyed Fukushima nuclear plant.
Radiation is streaming into the atmosphere from the used uranium rods at reactor number four, after a 45ft-deep storage pool designed to keep them stable boiled dry in a fire.
And some of the radioactive material could reach Britain within a fortnight, according to experts.
However they say it will not be dangerous when it reaches our shores while low levels of radiation have already hit Southern California.
A UN official said the radiation reaching America is 'about a billion times' beneath health-threatening levels.
An airborne plume of radiation is expected to be swept towards Europe, and again officials stress that the levels reaching the UK will not be high enough to pose any risk to human health.
Lars-Erik De Geer of the Swedish Defence Research Institute, said particles would eventually be detected across Europe.
'It is not something you see normally,' he said. 'But it is not high from any danger point of view. It is only a question of very, very low activities so it is nothing for people to worry about.'
The prediction that particles could reach Britain within two weeks is based on previous data, gathered by scientists observing nuclear testing in China.
Meanwhile, workers at the devastated power station are continuing their desperate battle to prevent a complete meltdown which some fear could be as bad as Chernobyl.
The latest pictures show a whole wall missing from the building housing reactor number four. Inside, a green crane normally used to move spent fuel rods into the storage pool can be seen. Underneath the crane, but not seen in the picture, is the 45ft-deep spent fuel storage pool which has boiled dry.
Officials at Fukushima are rapidly running out of options to halt the crisis. Military trucks are spraying the reactors for a second days with tons of water arcing over the facility.
Engineers are trying to get the coolant pumping systems knocked out by the tsunami working again after laying a new power line from the main grid.
And they today admitted that burying reactors under sand and concrete - the solution adopted in Chernobyl - may be the only option to stop a catastrophic radiation release.
It was the first time the facility operator had acknowledged burying the sprawling 40-year-old complex was possible, a sign that piecemeal actions such as dumping water from military helicopters or scrambling to restart cooling pumps may not work.
'It is not impossible to encase the reactors in concrete. But our priority right now is to try and cool them down first,' an official from the plant operator, Tokyo Electric Power Co, told a news conference.
But some experts warned that even the concrete solution was not without risks.
'It's just not that easy,' Murray Jennex, a professor at San Diego State University in California, said when asked about the so-called Chernobyl option for dealing with damaged reactors, named after the Ukrainian nuclear plant that exploded in 1986.
'They (reactors) are kind of like a coffee maker. If you leave it on the heat, they boil dry and then they crack,' he said.
'Putting concrete on that wouldn't help keep your coffee maker safe. But eventually, yes, you could build a concrete shield and be done with it.'
And Yukiya Amano, the head of the U.N.'s International Atomic Energy Agency said workers were in a 'race against the clock' to cool the reactor.
Attempts to quell the overheating plant with waterbombs from helicopters yesterday failed and despite the army pelting the site with water cannon, radiation levels rose higher.
Engineers are also working to restore power to the coolant pumping system knocked out by the tsunami.
There was a potential breakthrough when engineers succeeded in connecting a power line to Reactor 2. This should enable them to restore electricity to the cooling pumps needed to prevent meltdown.
But it is not certain the system will work after suffering extensive damage.
As the crisis entered its eighth day, the Japanese government was facing growing international condemnation for its handling of the world's second worst nuclear disaster since Chernobyl and for the lack of information it is giving experts and the public.
Officials have declared a 12-mile evacuation zone around the plant on the north eastern coast. Another 140,000 people living within 18 miles have been told not to leave their homes.
But Britain, which is pressing Japan to be more open about the disaster, has advised citizens to give the area a 30-mile berth and to quit Tokyo nearly 150 miles to the south.
Yesterday thousands headed to Tokyo's airport to leave the country for whichever destination they could find.
Two Foreign Office-ordered chartered flights, with almost 600 seats, begin their work today to bring Britons home.
America, France and Australia are also advising nationals to move away from the plant.
A week after the earthquake and tsunami, authorities are still struggling to bring it back from the brink of disaster.
Four of six nuclear reactors at the site have been hit by explosions and fires which have sent clouds of low-level radiation into the air.
The team of exhausted workers battling to prevent meltdown at the site – dubbed the 'Fukushima Fifty' – are unable to approach the most badly damaged reactors because radiation levels are so high.
Yesterday concern focused on two large tanks used to store spent nuclear fuel at Reactors 3 and 4.
Hydrogen explosions blew the roofs off both buildings earlier this week, leaving the pools exposed to the elements.
Water levels in the tanks have dropped dramatically in the last few days, possibly because of a leak caused by the earthquake. Waste in Reactor 3 is completely exposed to the air and is emitting alarming levels of radiation as it heats up.
Unlike the other reactors which use uranium, Reactor 3 uses a mixture of uranium and plutonium. Plutonium, best known as an ingredient in nuclear weapons, is particularly dangerous if released into the environment.
In the worst case scenario, exposed fuel will melt, triggering a chemical explosion that will send radioactive dust hundreds of yards into the air.
Chinook helicopters flying at less than 300 feet dropped four loads of water over the wrecked building in the hope that some water would seep into the dried-out pool and cool the fuel.
However, footage suggested much of the 2,000 gallons of water missed its target.
Later, six fire engines and a water cannon tried to spray the building with 9,000 gallons of water from high pressure hoses. However, radiation levels within the plant rose from 3,700 millisieverts to 4,000 millisieverts an hour immediately afterwards.
People exposed to such doses will suffer radiation sickness and many will die. Today Tokyo Electric Power, which owns the plant, will try to restart the reactor's cooling systems after workers connected a half mile long power cable from the national grid to Reactor 2.
Spokesman Teruaki Kobayashi said: 'This is the first step towards recovery.'
He added: 'We are doing all we can as we pray for the situation to improve.'
Last night 14,000 were confirmed dead or missing in Japan and 492,000 are homeless. There are 850,000 households in the north of the main island without electricity in freezing temperatures.
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