Published by Global Banking and Finance Review
Posted on September 25, 2025
2 min readLast updated: January 21, 2026
Aalborg Airport in Denmark reopened after closures due to suspected drone activity, sparking European security concerns.
(Reuters) -The airspace over Denmark's Aalborg Airport was reopened early on Friday after a closure for the second night in a row due to suspected drone activity, police said.
"The airspace over Aalborg Airport has been reopened on Friday at 00:35 (2235 GMT) after having been shut down due to suspicion of drone activity," police said in a post on social media X.
The airspace over Aalborg Airport was closed nearly an hour earlier at 11:40 p.m. local time (2140 GMT) on Thursday after a suspected drone sighting in the area, police told news agency Ritzau.
On the previous evening, Aalborg airport, used for commercial and military flights, was closed for about three hours due to drones in its airspace, just days after the country's main Copenhagen airport was shut over drone sightings that raised European security concerns.
Denmark's defence minister said on Thursday the nightly drone sorties were hybrid attacks, combining military and covert tactics, and were aimed at spreading fear.
Danish officials said it was still unclear who was behind the incidents, and Denmark had not yet decided whether to invoke NATO's Article 4, which allows members to request consultations over any security concerns.
(Reporting by Gursimran Kaur and Stine Jacobsen,; Editing by Chris Reese and Jamie Freed)
Drone activity refers to the operation of unmanned aerial vehicles (UAVs) for various purposes, including surveillance, delivery, and recreational use. In this context, it caused disruptions at Aalborg Airport.
Airspace closure is a regulatory action taken to restrict access to a specific area of airspace, often due to safety concerns, such as the presence of unauthorized drones.
Security concerns in aviation involve threats that could compromise the safety of air travel, including unauthorized access to airspace, potential terrorist activities, and the use of drones.
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