Swiss flight from Zurich to Luxembourg is declaring an emergency.
Swiss flight #LX754 departed Zurich at 12:05 CET.
The plane attempted a landing but went around.
METAR data show a low wind and visibility over 7,000m at LUX.
UPDATE 13:45 CET
The Embraer 190 is holding near Luxembourg airport at 4,000ft.
UPDATE 13:56 CET
All flights to Luxembourg are on hold.
UPDATE 13:58 CET
Swiss #LX754 is now on final approach to runway 24
UPDATE 14:03 CET
Flight #LX754 has landed, met by a fire truck.
It looks pilots went around on their first approach due to a technical reason and then declared an emergency.