Denmark's largest airport in Copenhagen stopped working due to the appearance of drones. It is reported by Reuters with reference to the local police.
In the area of the airport, according to the representative of the department, two to four large UAVs were recorded. All flights were immediately terminated due to a security threat.
According to the FlightRadar service, at least 15 flights were diverted to other airports, MK writes.
Drones were also spotted over a military facility in Oslo, Norway — Akersgus fortress, AftonBladet portal reports.
According to the head of the operational department of the Oslo police, Eyvind Hammersvold, it was the military who discovered the drones. Two citizens of Singapore were detained on suspicion of involvement in the incident.
According to the telegram channel "Live Broadcast", unknown drones were also spotted over the Swedish capital Stockholm.
As reported by EADaily, the largest European airports, including London Heathrow, delayed the departure of flights due to cyber attacks on check-in and boarding systems. This was reported by Sky News channel.

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