BBC News - Stansted delays after Ryanair plane error
Passengers at Stansted Airport were delayed by up to an hour on Sunday after a Ryanair plane dropped arriving passengers off at a departures gate. A Stansted spokesman said the flight from Lisbon arrived at 9:20 GMT and that the passengers had to be processed through departures security before moving to the arrivals lounge. This caused delays but the airport was "slowly" returning to normal, he said.
Stansted is to hold an investigation into the incident, he added.
seems strange, were the doors just set wrong? reading other stories online I suspect they had to evacuate the departures lounge but I cant confirm that