Swiss flight from Zurich to Sao Paulo is declaring an emergency.
Swiss flight #LX7092 to Sao Paulo is declaring an emergency and is diverting.
The flight took off form Zurich at 08:35 CET and turned around close to Spain coast.
Pilots squawked 7700 (general emergency) about one hour into the flight while cruising at 32,000ft.
The flight is operated by a Boeing 777-300ER aircraft with registration HB-JNB which is 7 years old.
UPDATE 10:25 CET
The flight is returning to Zurich.
UPDATE 11:02 CET
LX7092 has just landed back in Zurich.
UPDATE 18:00 CET
The flight was experiencing issue with air conditioning (source AV Herald).