Last Updated: Friday, June 10, 2011, 08:57
Volcanic ash "is very abrasive for plane engines, and could result in very serious complications”.
Last Updated: Monday, June 06, 2011, 13:17
A thick plume of ash from the erupting Puyehue volcano in the Andes shifted direction into Chile.
Last Updated: Monday, June 06, 2011, 08:51
North-westerly winds pushed the giant column of ash from the Chilean volcano.
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