Bardarbunga eruption sparks red alert
Iceland has issued a red alert to the aviation industry for the Bardarbunga volcano, meaning significant ash emissions are likely.
The Icelandic Met Office has warned that a small eruption under an ice cap has begun at Bardarbunga.
The air space over the site has been closed, but all Icelandic airports currently remain open, authorities say.
Iceland's Eyjafjallajokull volcano erupted in 2010, producing an ash cloud that severely disrupted air travel.
The red alert is the highest warning on the country's five-point scale.
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