At least 16 passenger flights across Europe were targeted by bomb threats on 5 November, prompting diversions, fighter escorts and security inspections. The incidents involved flights operated by Aer Lingus, Finnair, LOT, Ryanair and Wizz Air, with reports from France, Bulgaria, the Czech Republic, Italy, Austria, Poland and Belgium. No device had been found on the affected aircraft in the incidents reported that day.
Aer Lingus flight EI402, travelling from Dublin to Rome, diverted to Évreux in France and landed safely. Italian fighters escorted a Finnair flight from Helsinki to Rome, while Bulgarian MiG-29s escorted three Ryanair flights bound for Bulgaria. Two landed in Sofia and the third diverted to Plovdiv; inspections of the three aircraft found nothing suspicious.
Other reported cases included threats involving flights to Prague, Vienna, Brussels and Paris. A Wizz Air service from Milan to Warsaw diverted to Vienna, and LOT inspected a Warsaw-to-Brussels flight. Authorities and airlines carried out security procedures, with outcomes still developing in some locations. The incidents followed another series of threats earlier in the week, including alerts reported on 3 November. No responsibility had been publicly established, and authorities had not determined whether the threats were connected.