Some passengers said they had been stuck on the tarmac for hours, before their flights were eventually cancelled. An air traffic control problem has disrupted travel across Britain, cancelling more than 1000 flights and leaving passengers stranded for hours. Key points and original sources are listed below.

• Some passengers said they had been stuck on the tarmac for hours, before their flights were eventually cancelled.S1

• An air traffic control problem has disrupted travel across Britain, cancelling more than 1000 flights and leaving passengers stranded for hours.S2

• Britain’s National Air Traffic Services say it has resolved the issue, but delays rippled across 15 U.K. airports and beyondS3

• Flights at major British airports were disrupted on ‌Tuesday by a technical fault at air traffic control provider NATS, the latest in a series of failures ‌that renewed questions about ⁠the resilience...S4