Charlemagne fisks a UKIP press release:

Eurocontrol is not an EU agency, it was not Eurocontrol that ordered the closure of Europe's skies, the closure did not follow a single computer simulation and EU regulations will not oblige airlines to pay the costs of passengers stranded by the ash cloud. Or, to put it more briefly, out of four factual assertions in the UKIP press release, four are incorrect.

in which Charlemagne says No Comment at some length