Delay chaos could continue for days after more flights cancelled at Heathrow - Nats says radar fault is fixed but passengers face delays and diversions as airlines deal with backlog

The London airspace has been closed with all outbound flights grounded due to a major problem with air traffic control, plunging summer holiday travel plans into chaos

Flights from Birmingham Airport have been suspended due to an issue with air traffic control in the South of England. Due to a technical issue at an air traffic control centre, the number of flights in the London area is being limited.