Russell Craig, head of communications at Manchester Airport, said:
"We are certainly not proud about what has happened, and that is why we and the airline are doing an investigation."
"We have to get to the bottom of it," he added.
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Tonight western and northern areas will remain a little breezy with a few showers at times.
Leicester are Premier League champions after Tottenham conceded a two-goal lead in a bad-tempered 2-2 draw at Chelsea.
Football fans and players from all over the world savoured Leicester City Premier League triumph on Monday night.