Copenhagen and Oslo airports were both open again on Tuesday morning after disruptions caused by drones. The incidents caused flight diversions and other travel disruption at both Copenhagen and Oslo airports. Copenhagen Airport was running almost as normal on Tuesday afternoon after its airspace was closed on Monday night due to drone activity near the airport. An estimated 30,000 passengers were affected last night, overnight and during the day, Lise Agerley Kürstein, director of communications at Copenhagen Airport, told broadcaster DR at around 3:30pm. Flight information can be checked on Oslo Airport’s website.