A British Airways flight was reportedly evacuated after smoke filled the cabin minutes before it was due to land. Passengers took to social media to share video and photos of the experience after a British Airways flight from London's Heathrow landed at Valencia in Spain. A spokesman for the airline said on Monday evening: "We can confirm that British Airways flight BA422 from Heathrow to Valencia has been involved in an incident today. "The aircraft, an A321, has landed and all customers and crew have disembarked. "British Airways teams are assisting customers who are in the airport terminal."