ALERT Several crew and passengers suffering 'with equilibrium' on board #AA109

American Airlines flight AA109 to Los Angeles is returning to London Heathrow due to medical emergency on board. When the call for doctors, the aircraft was close to Keflavik (Iceland) but the crew decided to go back to origin.

UPDATE We have confirmation AA109 safely landed runway 27L at London Heathrow at 17:04.

Khallum Wood

UPDATE American Airlines is confirming medical emergency on board.

UPDATE Landing is expected at 17:03.

BREAKING Several crew and passengers in medical emergencies on board #AA109 Live: https://t.co/JGLJbr3Xqd pic.twitter.com/XSF8ZVPGOY

— AirLive.net (@airlivenet) January 27, 2016

Several crew and several passengers suffering with equilibrium, scheduled time of arrival in LHR is 5pm @flightradar24

— Lee Gunn (@gunn_lee) January 27, 2016