Airports and airlines have also joined the chorus of criticism, once again warning of the disruption caused by the Entry/Exit System (EES).

The European Union has refused to suspend its divisive new border checks despite admitting that it has found 20 “difficult spots” causing queuing chaos.

There are now urgent calls to pause the new Entry-Exit-System until September as it is 'unsustainable' for the 40million passengers expected to fly to Europe this summer.