Pickman's model
Starry Wisdom
people have found themselves trapped at moscow's sheremetyevo airport unable to leave the building or board another flight, and it is no laughing matter see eg A surprising number of people are getting trapped for months on end in Moscow’s busiest airportHow can they actually refuse entry though if she just pitches up at Heathrow? Just leave her in limbo between the gates and security? It could end up as a bitter sweet comedy, someone should make a film like that.