Advertisement AdvertisementAdvertisement AdvertisementAround 8:30 p.m. local time Monday, Copenhagen’s international airport shut down and flights were rerouted after drones were spotted in its airspace. “We have seen drones over Poland that should not have been there. Advertisement AdvertisementAdvertisementAfter the drone incursion in Poland, three Russian MiG-31 fighter jets entered Estonian airspace over the Gulf of Finland without permission on Friday. “What we have seen in terms of Russia is that they have not accidentally violated the airspaces of E.U. member states, but this was an intentional violation of the European airspace and here we see a clear pattern.”“Russia is testing the European borders,” she added, “also probing our resolve and undermining our security.”