It is just "a matter of time" before another volcano in Iceland erupts - disrupting flights over here in the UK, and the rest of Europe once again That is the view of experts from the South who are developing a system for aeroplanes that will detect ash in the sky.
Back in 2010, most airline services in the region, and much of the UK were grounded because of a drifting Icelandic ash cloud following a volcanic eruption. Mike Pearse reports.
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