An investigation has begun after two British Airways pilots became ill at the same time during a flight from Heathrow to Glasgow.
The captain and first officer both reported feeling light-headed as the aircraft was climbing at 20,000 feet. They were then supplied with oxygen masks and requested an emergency return to Heathrow.
The Airbus A321 landed safely but when paramedics arrived the pilots both said they had felt as though they were about to pass out, the Daily Mail reported.
Air accident investigators are examining what caused both pilots to become ill on the flight last month. A BA spokesman confirmed that both pilots had become unwell and followed procedures by donning oxygen masks and returning to Heathrow.
BA said: “The pilots reported feeling light-headed so, as a precaution and following normal procedure, put on their oxygen masks.
“Our pilots are highly trained to deal with such circumstances. The aircraft landed safely and customers continued their journey after a short delay.”