What is happening
The system malfunction was resolved, but operations have not yet returned to normal. The sources report different timelines for the disruption: one says it may last until tomorrow, while the other refers to the coming days. Nats described this as its third serious malfunction in three years.
Why is it on the Radar?
The incident has caused widespread airport disruption and more than 2,000 flight cancellations, with further delays and cancellations expected as operations recover.