BRUSSELS – Flights out of one of Europe’s biggest cargo airports were briefly suspended after drones were spotted, an airport official said Friday, an incident that comes amid a spate of incidents around Belgium in recent weeks.

Christian Delcourt, the head of communications for Liege airport, said drones forced a sequence of flight interruptions between 9 p.m. Thursday and 1 a.m. Friday, and again between 7 a.m. and 8 a.m. on Friday, when full operations resumed.

Dozens of flights at Belgium’s main international airport in Brussels were canceled on Wednesday after drone sightings on Tuesday night forced it to close temporarily, prompting Prime Minister Bart De Wever to convene emergency government talks.

It was the first time that the airport in Brussels was shut down by drones. The

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