https://www.bbc.com/news/world-europe-61808465
Flights in and out of Switzerland have been suspended and Swiss airspace closed because of a computer failure at air traffic control service Skyguide.
Geneva and Zurich halted flights, although Geneva airport announced air traffic was gradually resuming.
Skyguide said a technical malfunction ( hardware failure reported ) in the early hours of Wednesday meant that Swiss airspace had to be closed to traffic for "safety reasons".
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