Japan reactor explosion

In the aftermath of the earthquake / tsunami in Japan, there have been reports of a nuclear power plant (Fukushima) have had major problems with its cooling system after an explosion. How much the damage has been, no one knows at this time.
Let´s just hope that it will not be the question of a meltdown, if it is it will come almost 25 years after Chernobyl

It has been reported that the walls and roofs blown away from the building.

It has also been rapported that there might be more and bigger waves on their way against Japan.

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