Passengers at London Heathrow and London Gatwick have been hit by flight delays and cancellations following Wednesday's radar issues affecting major airports across the UK.

Airports across the country have been hit by delays after a technical error at an air traffic control centre caused major disruption.A radar-related issue affected flights across the UK as the number of aircraft which could fly in England and Wales was restricted,

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