Arrivals and departures were halted for several hours on Tuesday evening at Belgium's busiest airport, Brussels, leading to the cancellation of dozens of flights. The skies were also closed over Liege airport, an important hub for freight transport, leading to further cancellations, delays and diversions. Meanwhile, the mayor of the Flemish town of Diest reported that police and army officers had spotted four drones at the nearby Schaffen military airbase on Tuesday.
Departures to LaGuardia (LGA) Airport in New York are experiencing an average delay of over two hours, with some flights being held for nearly four hours. The Federal Aviation Administration (FAA) warned that there is up to a 60 percent chance that these delays will be extended. The alert is due to heavy rains and strong winds from the nor' easter hitting the East Coast.