Air traffic control issue causes flight delays and disruption across UK

Departures from London airports worst hit with most flights since 2pm affected as National Air Traffic Services investigates technical problem

Flights around the UK are facing delays and disruption due to an air traffic control issue which has affected a string of airports including Heathrow and Gatwick.

Departures from London airports are most severely affected, with few take-offs since a fault was reported early on Tuesday afternoon.