Ash clouds from a new surge in Icelandic volcanoes caused fresh travel chaos in major European air routes shutting down key airports. <br/><br/>Air India cancelled its Heathrow bound flights from Delhi and Mumbai today. <br/><br/>Jet airways, however flew scheduled flights from Delhi and Mumbai as their flights land at Heathrow in the night. <br/><br/>The black clouds also shut other major airports in Europe including Schipol and Rottredam in Holland, and Gatwick and London as well as flights to and fro from Ireland and Scotland. <br/><br/>Around 1,000 flights out of 28,000 were disrupted according to Eurocontrol. London's Heathrow which is the busiest airport in Europe and Gatwick reopened this afternoon after being closed down for seven hours. <br/><br/>All airports in Ireland and Scotland were also shut down. <br/><br/>The latest closures came at the beginning of the week<br/>as travel was expected to be disrupted due to five day strike<br/>called British Airways cabin crew.<br/><br/>Europe's skies became no-fly zone for up to a week in April following the eruption of Icelands Eyjafjoell volcano, in the biggest shut down of continents airspace in last fifty years.