Japanese authorities are still struggling to avert a nuclear meltdown at one of its nuclear power stations. 

There have been 2 explosions at Fukushima since Saturday, and a third is looking highly likely. 

Officials say the risk of a radiation leak is low.

Meanwhile, millions of people there are without food, power and water, and hundreds of thousands are homeless following the earthquake and tsunami on Friday.

Latest estimates put the death toll at around 10-thousand.

The UK's ambassador to Japan has indicated that a number of British nationals might have been caught up in the disaster

David Warren, has been in Sendai this morning - the hardest hit region - trying to make contact with those Britons who are missing. 

He says consular teams are struggling to find some people.

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