Air France flight #AF816 to Havana is declaring an emergency.
Air France flight form Paris CDG to Havana is squawking 7700 (general emergency).
Flight AF816 took off runway 26R from Paris at 16:40 CET and was supposed to land by 12:20 CST.
But about one hour into the flight, the crew declared an emergency before crossing The Atlantic.
The Boeing 777-200ER (reg. F-GSPQ) looks to be returning to CDG Airport.
UPDATE #1 17:45 CET
Flight AF816 is returning to Paris CDG following a medical emergency on board.
UPDATE #2 17:49 CET
The Boeing 777-200 is expected to land by 18:30 local time.
UPDATE #3 18:32 CET
AF816 has landed runway 26R.