Bardarbunga volcano in Iceland
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Iceland's Bardarbunga volcano alert raised to orange

The risk of an eruption at Iceland's Bardarbunga volcano has increased, after a series of earthquakes in the region.

The risk level to the aviation industry has been raised to orange, the second-highest level.

The eruption of Iceland's Eyjafjallajokull volcano in 2010 shut down much of Europe's airspace for six days, affecting more than 10 million people.

Sophie Hutchinson reports.

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