At least 14 European flights diverted or escorted by fighter jets after bomb threats At least 14 commercial flights across Europe were diverted, forced to land early, or escorted by fighter jets on Thursday after a series of bomb threats. Airlines affected included Aer Lingus, Finnair, Ryanair, Wizz Air and LOT Polish Airlines. An Ir Lingus Dublin–. The Rome flight was diverted to a French military base in Normandy with a combat escort, while the Finnair Helsinki plane -. Rome service escorted into Rome Fiumicino by Italian Air Force aircraft. Bulgarian MiG-29s escorted three Ryanair flights, one of which was directed to Plovdiv. Other aircraft made preventive landings or underwent ground checks in France, Italy, Bulgaria, the Czech Republic, Austria and elsewhere. Authorities have so far found no explosives or suspicious charges. British Transport Secretary Heidi Alexander described the alerts as "malicious prank threats". The incidents mark the latest in a series of similar pranks this week that have disrupted Europe's airspace, with more than 20 threats reported in total since Monday. Investigations are ongoing and no group has claimed responsibility.