BREAKING United Airlines #UA993 from Zurich to Newark is declaring an emergency. Live:

UPDATE 10:53UTC: United Airlines #UA993 to Newark diverted to London Heathrow (LHR) due to hydraulic problem

UPDATE 10:42UTC: Confirmation United Airlines #UA993 landed runway 27R at London Heathrow (LHR)

United 767 N677UA just div. into LHR for 2nd time this month (ZRH-EWR UA993). Cam http://t.co/QxRqaV5npi @heathrowcam pic.twitter.com/9z7HrBe9Ci

— Airport Webcams (@AirportWebcams) July 18, 2015

UPDATE EMERGENCY United #UA993 is on approach to London Heathrow. Live: http://t.co/WMv1qK2edt pic.twitter.com/sNeWVY98dU

— AirLive.net (@airlivenet) July 18, 2015

UPDATE EMERGENCY United #UA993 in holding pattern, will divert to London Heathrow. Live: http://t.co/WMv1qK2edt pic.twitter.com/aUkY0mtQ4d

— AirLive.net (@airlivenet) July 18, 2015

BREAKING United Airlines #UA993 from Zurich to Newark is declaring an emergency. Live: http://t.co/WMv1qK2edt pic.twitter.com/Y6wGEUGAmO

— AirLive.net (@airlivenet) July 18, 2015