Copenhagen, Sept. 23 -- Operations at the Copenhagen Airport resumed after suspension of flights for almost four hours following a drone sighting in its vicinity.

Danish police have been unable to confirm the type or the number of drones seen around Copenhagen Airport, reports BBC.

Addressing a press conference here, they said, "It is not known where the drones came from. It is also not known where they have since flown.""We wish we knew where they were at this time, but we are operating based on what the situation is right now," Deputy Police Inspector Jakob Hansen told reporters.

He informed that operations at the airport resumed at around 00:30 local time after flights were suspended for almost four hours following a drone sighting. ...