Thousands of planes from Airbus's widely-used A320 family have been ordered for repairs following a software issue.

The aircraft manufacturer is carrying out software updates for 6,000 of its jets - around half the global fleet - threatening travel disruption for airline passengers.

The UK's Civil Aviation Authority said it expects some disruptions to airlines and flights, with easyJet and Wizz Air saying they will take some planes briefly out of service to do the repairs.

But why have airlines been told to carry out a software update for the planes, and how is solar radiation involved?

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Airbus software works to take 'days'

What triggered the repair order?

It is understo

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