Up to around 50 Ryanair passengers say they are left stranded in Greece after delays at passport control at Athens International Airport prevented them from boarding a flight bound for the UK. The reports state that on Sunday, travellers booked to fly to London Luton were not able to complete passport checks in time, while the aircraft departed without them. Authorities at the airport became involved to manage the situation after the group was left waiting to resolve the missed departure. The available accounts focus on passport control delays at Athens and the resulting failure to board the scheduled flight. The reports do not provide additional details on the exact cause of the delays, the specific number of affected passengers, or whether alternative transport was arranged immediately. Overall, the incident centers on passengers missing departure due to processing delays at the airport and airport authorities stepping in as the situation unfolded.