Security Concerns in Europe Have Risen Amid a Spike in Russian Sabotage and Drone and Fighter Jet Incursions Into NATO Airspace. Danish PM Called It 'The Most Serious Attack on Danish Critical Infrastructure to Date,' While Kremlin Spokesman Rejected Any Claims of Involvement

The drone sightings near Danish and Norwegian airports come amid heightened concerns over Russia violating EU airspace.

Danish prime minister warns intrusion by a ‘capable operator’ targeted critical infrastructure