Copenhagen Airport, the Nordic region’s busiest hub, said early Tuesday it had resumed operations after drone activity forced a suspension of all departures and arrivals for nearly four hours. Norway ’s Oslo Airport also reopened after closing its airspace due to a reported drone sighting.

“The police have launched an intensive investigation to determine what kind of drones these are,” Copenhagen Police Deputy Assistant Commissioner Jakob Hansen told reporters. “The drones have disappeared and we have not taken any of them,” he added.

Hansen said authorities in Denmark and Norway would cooperate to determine whether there was a link between the two incidents.

The airspace at Oslo airport in Norway was reopened by 3:22 a.m. (0122 GMT), a spokesperson for Norwegian airport operator Av

See Full Page