Aer Lingus flight to Dublin is declaring an emergency after takeoff from Heathrow.
Aer Lingus flight #EI179 declared an emergency (squawk 7700) right after takeoff from runway 09R.
The flight is operated by an Airbus A320-214 (registration EI-DER).
UPDATE 21:00 BST
The Airbus 320 is returning to London Heathrow.
UPDATE 21:09 BST
Flight #EI179 landed safely on runway 09R.
UPDATE 21:17 BST
The A320 is stopped on taxiway, inspected by ops vehicles.
UPDATE 21:30 BST
Flight #EI179 returned to LHR due to left engine issue on takeoff.
UPDATE 21:39 BST
Returned to stand on terminal 2.
