Heathrow discovered there were too many passengers this morning so demanded the cancellation of 30 flights, so as to prevent "unsafe queues" whatever those are.
https://www.theguardian.com/uk-news/...elled-airlines
Does that make any sense? It must surely have had the effect of addding a few thousand passengers queuing (safely or unsafely?) around the terminal trying to get help from airlines.
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If an airport refuses to handle a flight, is the airport liable to pay compensation to the passengers or does it fall on the airline?