Denmark and Norway were forced to temporarily close the main airport them, as they were identified drones. Both airports reopened on Tuesday morning.

Danish police were unable to confirm the type or number of drones observed around her airport Copenhagenas he said at a press conference.

“It is not known either where the drones came from, nor where they went after,” said Deputy Police Inspector Jakob Hansen.

Functions at Copenhagen Airport returned around 00:30 local time, after flights were suspended for almost four hours after the drone appearance. Oslo Airport also reopened after about four hours of airspace closure.

Danish police announced that “some measures will be implemented” in the investigation, but did not specify what these measures would be.

Monday night reported two with three large drones in the area around her airport Copenhagenaccording to authorities.

The take -offs and landings at the airport were suspended for about four hours.

In a statement, the airport warned of ongoing delays and cancellations and called on passengers to contact airlines.

When asked by journalists if the drones were of Russian origin, Mr Hansen replied that he could not confirm it or deny it.

Later, in a post on social media, Ukrainian President Volodimir Zelenski referred to a “breach of NATO’s airspace from Russia” in Copenhagen on September 22, but without giving the information for this information.

EU and NATO leaders have not made public responsibility.

Police have announced that there will be a new press conference this morning.

A spokesman for Copenhagen Airport confirmed that the airspace over the airport closed around 20:30 local time (18:30 GMT) on Monday, due to unrecognized drones.

“No aircraft can take off or land at the airport and, therefore, several flights are diverted to other airports,” he said in a statement.

“Police are investigating the incident and there is no timetable for reopening for the time being.”

The Flightradar24 flight monitoring site reported that at least 35 flights to Copenhagen were diverted due to the closure of the airport.

To Olivewas also found near the main airport on Monday night, as confirmed by Norwegian police at local media.

Airport spokesman told the NRK public broadcaster that airspace over the airport was closed at midnight local time due to “drone observation”, and all flights will be diverted to the nearest airport.

At about 04:30 local time the spokesman said the Oslo Airport had re -operated.

Danish police will work with the Norwegian authorities to clarify if there is a link, Copenhagen Police Inspector said at a press conference.