A Wizz Air flight to Poznań Airport returned to London Luton after the crew declared an emergency.
The Wizz Air flight W95389 departed London Luton this morning at 07:51 BST to Poznań, Poland.
The Airbus A21-200, with registration G-WUNC, stopped the climb at 20,000 feet, shortly after takeoff.
The crew declared an emergency (squawk 7700) for a reason still unknown and returned to London.
After only 27 minutes in the air, the flight W95389 has landed runway 07 at London Luton Airport.
