A passenger flight from Zurich to New York reportedly "declared an emergency'" while flying over the UK.
The incident occurred as the Airbus A330-300 flew over London on its way to the east coast of the United States.
The flight monitoring website Air Live reported: "A Swiss Air flight from Zurich to New York is declaring an emergency. Flight from Zurich to New York Newark has declared an emergency over London at 17:15 UTC.
