# Danish police says that whoever was responsible for flying large drones over Copenhagen airport appeared to have been knowledgeable. Flights resumed in Denmark and Norway capitals following a night of travel chaos. Airports in Copenhagen and Oslo reopened today, hours after unidentified drones in their airspace caused dozens of flights to be diverted or cancelled. A heavy police presence was dispatched to investigate the drone activity, and the devices could be seen coming and going for several hours before flying away on their own.
Large drones from unknown origin disrupt air travel in Denmark and Norway