United flight from London Heathrow to Washington has turned around over Ireland.
The Boeing 777-200ER (registration N79011) turned around after one hour into the flight due to a technical issue.
The flight departed from Terminal 2, gate B46 at 12:20 BST to Washington, now planned to return to London.
The airline is confirming AIRLIVE there is a technical issue on the plane.
UPDATE 14:00 BST
The aircraft is holding 33,000 ft West of UK to burn fuel before returning.
UPDATE 14:40 BST
Flight #UA919 has landed on runway 27L at Heathrow 2 hours and 19 minutes after departure.
UPDATE 14:40 BST
The airline is estimating a delay of 4 hours and 15 mins.
UPDATE 15:20 BST
The flight is cancelled as United is taking the plane out of service to address a technical issue.
