Nats boss summoned by UK transport secretary as flight chaos enters second day

Martin Rolfe, who faces pressure to resign, due to brief Heidi Alexander after cancellations pass 1,900

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The boss of the air traffic control provider Nats has been summoned to meet the UK transport secretary as the number of flight cancellations passed 1,900 in a second day of disruption for hundreds of thousands of passengers.

Martin Rolfe, who is facing increasing pressure to resign over a third major stoppage to flights in just over three years, is due to brief Heidi Alexander on Wednesday.