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Several Air New Zealand flights have been delayed or disrupted as a new cloud of volcanic ash closed London's Heathrow airport.
The airport was closed this morning as ash from Iceland's Eyjafjallajokul volcano drifted south, extending the no-fly zone over Britain.
Air New Zealand said NZ2 from Los Angeles to London would be delayed 19 hours, while NZ1 from London would be delayed a similar time. Passengers would be accommodated by the airline.
It was possible that NZ39 from Auckland to London via Hong Kong, and NZ2 from Auckland to London to Los Angeles, would be disrupted at their stopover destinations.
Heathrow, Europe's busiest airport, would be closed until at least 11am Monday (10pm NZT). Airports in other parts of Britain, Ireland and the Netherlands were also closed.
Flights to Asia and North America would not be affected, but passengers with onward flights to Britain and Europe on other airlines could be affected and should check with their carriers.
Updates would be available on the Air New Zealand website.
The volcano began erupting in April, paralysing air travel over Europe.