Virgin Atlantic flight from London to Tampa is declaring an emergency and turning around.
The flight #VS129 departed LHR Airport at 15:09 BST and declared an emergency (squawk 77000) 45 minutes later while over West of UK.
The Airbus A330-300 (registration N815NW) descended from cruising altitude to 10,000 ft, then 7,000 ft due to a possible pressurization issue.
UPDATE 16:45 BST
Flight #VS129 landed on runway 09L at London Heathrow.
UPDATE 16:46 BST
The Airbus A330 was escorted by three fire trucks upon landing.
UPDATE 17:03 BST
Engines off, the aircraft needs to be towed to return to the gate.
UPDATE 17:10 BST
Returning to the gate, still escorted by two fire trucks.
The airline confirmed AIRLIVE a technical issue with the aircraft.
