Witness saw flames 'spitting out' of an engine and said France-bound plane was making spluttering noises as it took off.
A British Airways plane has had to turn back to Heathrow after experiencing "an engine surge" on take-off.
BA said the aircraft, an Airbus A319 bound for Lyon in France, landed safely after the incident at about 9pm on Thursday.
A witness told the BBC he had seen flames "spitting out" of an engine and that the plane was making spluttering noises as it was taking off.
