A United Airlines flight from Barcelona has declared an emergency and is currently diverting to London.
The flight UA770 operated by a Boeing 787-9, with registration N26902, departed Barcelona Airport 1h30 ago.
The pilots squawked 7700 (general emergency) and decided to go to London Heathrow.
The airline is confirming AIRLIVE the flight is diverting to LHR. Landing expected at 4:55 PM BST.
UPDATE #1
United is planning a stopover of 1 hour for now.
UPDATE #2
Landed on runway 27R.
UPDATE #3
The aircraft is now at gate B44.
