A British Airways flight to Chicago is returning.
British Airways flight #BA297 to Chicago ORD is returning to London Heathrow.
The Boeing 787-9 departed Heathrow at 16:15 GMT but over the Atlantic, the aircraft turned around.
According to Flight Emergency, there are problems with an engine.
The flight is operated by a Boeing 787-9 (registration G-ZBKA) which is 8 years old.
The planned flight time was 8 hours and 30 minutes.
UPDATE 20:23 GMT
BA297 is given a direct approach to Heathrow.
UPDATE 20:31 GMT
BA297 is on final approach to 27L.
UPDATE 20:38 GMT
BA297 has landed safely on 27L and vacated the runway.