Copenhagen and Oslo airports resumed operations on September 23, 2025, after drone sightings forced the suspension of air traffic the previous evening, according to police and airport officials. Flight tracking website FlightRadar24 recorded at least 15 diversions to other airports during the four-hour closure. Disruptions in OsloIn Norway, police confirmed that a drone was detected near Oslo Airport (OSL) on the evening of September 22, 2025. According to public broadcaster NRK, a spokesperson for Oslo Airport later added that by around 04:30 local time (02:30 GMT), operations had fully resumed. “What we know so far is that there have been six cancellations this morning, and we also don’t know much about how the day will unfold,” Oslo Airport communications manager Monica Fasting told Norwegian news agency NTB.