London airspace closed after computer failure

London airspace has been closed until 19:00 GMT after a computer failure, air traffic controllers have said.
The news was announced in a brief message on flight safety body Eurocontrol's website.
UK air traffic controllers Nats confirmed a "technical problem" at its Swanwick control centre in Hampshire.
It said in a statement "every possible action" was being taken to resolve the problem, according to a news agency.