Denmark consults NATO after drones stopped flights to Aalborg airport

Denmark plans to trigger article 4 of NATO after the country was forced to close Aalborg airport after the drones were spotted for the second time this week.

Denmark contacted NATO and the European Union following the threat, According to Euronews.

Copenhagen would have planned to know whether to invoke article 4 of NATO, which would trigger a meeting for the members of the Alliance. Neither NATO nor the secretary general Mark Rutte made public statements on the issue.

Danish Danish Department and Minister of Defense Troels Lund Poulsen has sworn in a joint statement that Denmark “would find people behind it,” said Euronews.

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People walk at Aalborg airport in Denmark on September 25, 2025. (Ritzau Scanpix / BO Amstrup / Via Reuters)

“We have various military capacities that can help defend Denmark, F-35 and our frigates,” he said.

Small airports in the country would also have seen the activity of drones but were not affected accordingly, The BBC reported.

Danish authorities said the drone’s incident was a “hybrid attack” from a “professional actor”, according to the BBC. The point of sale said that the authorities said the drones had been launched locally and did not come from Russia.

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A light moves in the sky above Aalborg, Denmark, on September 24, 2025, in the midst of drone observations reports that led city airport. (Morten Skov / @ mschieller69609 / via Reuters)

On Monday, a similar drone incident had an impact on Copenhagen airport. Unlike the incident at Aalborg, some alleged Russia could have been the culprit behind the attack.

Danish Prime Minister puts Frederiksen said that it was “the most serious attack on Danish critical infrastructure to date,” reports. She added that the country “did not eliminate any options concerning who is behind”. Reuters reported.

Danish police are stuck after traffic stop at Copenhagen airport due to drone reports on September 22, 2025. (Ritzau Scanpix / Steven Knap via Reuters)

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“The drones that interrupted flights to Copenhagen airport were part of a persistent protest model at our borders,” the president of the European Commission, Ursula von der Leyen on Tuesday.

Oslo airport, Norway was also closed on Monday evening for three hours due to the possible threats of drone activity, according to Euronews.

Fox News Digital contacted NATO to comment.