All air traffic was temporarily suspended in Belgium after a drone was spotted in the evening of Nov. 2 above the airport grounds. The smaller airport in Liège also announced that it was currently closed after drones were sighted. Drones have also been sighted at the Kleine-Brogel military base in Belgium, which is used by NATO. Citizens reported six drones near the airfield on Tuesday evening, Oct. 28, according to the Belgian news agency Belga, citing the local Mayor Steven Matheï.