What to know

• Departures from a number of airports have been affected by a technical problem affecting air traffic control provider Nats.S1
• Heathrow, Gatwick, Stansted, Manchester, Birmingham are all among the airports hit by a major problem with air traffic control systems across the UK that has left thousands strandedS2
• NATS confirmed it is investigating a technical issueS3
• Heathrow and Gatwick have stopped flights.S4
• UK airports, including Heathrow and Gatwick, faced flight disruptions due to a NATS air traffic control technical issue.S5
• Departures have been grounded at two major UK airports following the issueS6
• Delays and cancellations at London’s two busiest airportsS7
• Arrivals are not affected, but many passengers are trapped on planes (Picture: Getty) Departures at two major London airports have been halted as other airports across the UK deal with air traffic control issues. Gatwick Airport and London Heathrow have halted...S8