The world's largest passenger plane, the Airbus A380, will arrive at Manston Airport today.
Pilots and crew will train on the double decker plane at the Kent site before it goes into service later this year.
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"Calls and emails are coming in all the time" from players who say they had been forced to sign non-disclosure agreements, it is claimed.
Transport Secretary Chris Grayling believes Network Rail should share the responsibility with private train operating companies.
Commuters are facing a miserable journey this morning as a three-day strike begins in protest over driver only trains.