Unidentified drones over Danish airports spur security response

Unidentified drones were observed over multiple Danish airports and military sites this week, forcing at least one airport to close for several hours and prompting a national security response, authorities said. The most recent closure came overnight at Aalborg Airport in northern Jutland, where police reported multiple drones circling near the runway shortly before 10 p.m. local time on Wednesday and remained in the area for hours before disappearing. Flights were halted and several services were diverted. No injuries were reported.

Police and the Danish Armed Forces said drones were also reported near Esbjerg, Sønderborg, Skrydstrup air base and the Karup military facility, which shares runways with a civilian airport. At Karup, officers said one to two drones were seen late on Friday. Officials said they were unable to neutralize the devices and have not identified the operators or the precise origin of the aircraft. North Jutland police urged witnesses to document any suspicious drone activity and provide information to investigators.

Prime Minister Mette Frederiksen described the incidents as the most serious attack on Danish critical infrastructure to date and said the...