Lufthansa flight #LH691 to Frankfurt diverted to Zagreb.
Flight #LH691 from Tel Aviv was almost 3 hours into flight when the pilots declared an emergency.
The Airbus A321 (reg. D-AIEO) was on its way to Frankfurt when the crew noticed issue with right engine.
The aircraft is only 1 year old. It landed at 05:40 UTC.
At the time of writing, the A321 is still in Zagreb.