Ash from Iceland’s Grimsvötn volcano could affect Heathrow Airport in the UK by the end of the week Ash cloud moves towards UK airspace (General) http://distributedresearch.net/blog/2011/05/23/ash-cloud-moves-towards-uk-airspace If airspace in western England, Ireland and the Atlantic is affected by the smoke plume transatlantic flights in and out of Heathrow could suffer delays later this week as [...]