Flights at several British airports were delayed on Monday by an air traffic control failure, Britain's air traffic control provider NATS said, less than two weeks after a separate issue halted flights across the country.Manchester, Glasgow and Belfast airports were experiencing delays, which NATS said were related to an issue at its Prestwick centre in Scotland, while London Gatwick and London City airports said there would be some disruption.British transport minister Heidi Alexander, who...
