UK transport secretary summons Nats boss as flight cancellations hit 1,300

Nats CEO Martin Rolfe faces pressure to resign after a third major air traffic control failure in three years, with 1,300 flight cancellations over two days. The transport secretary's summons signals potential political fallout and scrutiny of Nats' operational resilience. The incident disrupts hundreds of thousands of passengers, but the systemic cause remains unclear.