Hundreds of flights were grounded today in Ireland as a THIRD cloud of volcanic ash shutdown Irish airspace.

Stranded passengers were forced to sit it out at airports as clouds of debris were swept towards Ireland by changing winds.

Aer Lingus had to cancel some trans-Atlantic service Thursday from Chicago, Boston and New York as the no-fly zone, which covered Scotland as well as all of Ireland was extended to midnight.

Almost 440 flights had been due to arrive and depart from Dublin Airport throughout the day, with more from Cork and Shannon and the smaller regional airports in Galway, Sligo, Knock, Donegal, Cork and Kerry.

The worst affected airports are in the northern part of the country.
Dublin Airport is closed until at least midnight tonight along with Donegal, Sligo and Ireland West (Knock).
Shannon Airport will close between 5.30pm and midnight.
Meanwhile, the southerly airports of Cork and Kerry will be open until midnight and Waterford Airport will be open until at least 7pm.