Flights in South America, Australia and New Zealand are still being disrupted by ash from a volcano in Chile, affecting thousands of passengers.

Hopes of a resumption of air travel from Argentina's capital were dashed after more ash fell on Buenos Aires.

Some services are operating normally in Australia but airline policies differ.

Qantas and Jetstar cancelled all services in and out of Adelaide, Tasmania and New Zealand on Tuesday, but Virgin resumed flights.

"We have our own volcanic ash management team which is a team of experts in everything from engineering to navigation and a Bureau of Meteorology person in-house," Virgin spokesman Colin Lippiat told the AFP news agency.

Read More...........
Reproduced under licence from BBC News © 2011 BBC